chore(deps): bump constantinople from 3.1.0 to 3.1.2 in /docs-src

Bumps [constantinople](https://github.com/ForbesLindesay/constantinople) from 3.1.0 to 3.1.2.
- [Release notes](https://github.com/ForbesLindesay/constantinople/releases)
- [Commits](https://github.com/ForbesLindesay/constantinople/compare/3.1.0...3.1.2)

Signed-off-by: dependabot[bot] <support@github.com>

docs-src/yarn.lock

@@ -521,6 +521,18 @@
     lodash "^4.2.0"
     to-fast-properties "^2.0.0"
 
+"@types/babel-types@*", "@types/babel-types@^7.0.0":
+  version "7.0.7"
+  resolved "https://registry.yarnpkg.com/@types/babel-types/-/babel-types-7.0.7.tgz#667eb1640e8039436028055737d2b9986ee336e3"
+  integrity sha512-dBtBbrc+qTHy1WdfHYjBwRln4+LWqASWakLHsWHR2NWHIFkv4W3O070IGoGLEBrJBvct3r0L1BUPuvURi7kYUQ==
+
+"@types/babylon@^6.16.2":
+  version "6.16.5"
+  resolved "https://registry.yarnpkg.com/@types/babylon/-/babylon-6.16.5.tgz#1c5641db69eb8cdf378edd25b4be7754beeb48b4"
+  integrity sha512-xH2e58elpj1X4ynnKp9qSnWlsRTIs6n3tgLGNfwAGHwePw0mulHQllV34n0T25uYSu1k0hRKkWXF890B1yS47w==
+  dependencies:
+    "@types/babel-types" "*"
+
 CSSselect@~0.4.0:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/CSSselect/-/CSSselect-0.4.1.tgz#f8ab7e1f8418ce63cda6eb7bd778a85d7ec492b2"
@@ -572,7 +584,7 @@ acorn-jsx@^3.0.0:
   dependencies:
     acorn "^3.0.4"
 
-acorn@^3.0.4, acorn@^3.1.0, acorn@~3.3.0:
+acorn@^3.0.4, acorn@^3.1.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
 
@@ -1408,6 +1420,7 @@ babel-register@^6.26.0:
 babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
+  integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
   dependencies:
     core-js "^2.4.0"
     regenerator-runtime "^0.11.0"
@@ -1439,6 +1452,7 @@ babel-traverse@^6.24.1, babel-traverse@^6.26.0:
 babel-types@^6.19.0, babel-types@^6.24.1, babel-types@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
+  integrity sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=
   dependencies:
     babel-runtime "^6.26.0"
     esutils "^2.0.2"
@@ -1456,6 +1470,7 @@ babylon@7.0.0-beta.34:
 babylon@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
+  integrity sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==
 
 backo2@1.0.2:
   version "1.0.2"
@@ -2310,11 +2325,14 @@ consolidate@^0.14.0:
     bluebird "^3.1.1"
 
 constantinople@^3.0.1:
-  version "3.1.0"
+  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/constantinople/-/constantinople-3.1.0.tgz#7569caa8aa3f8d5935d62e1fa96f9f702cd81c79"
+  resolved "https://registry.yarnpkg.com/constantinople/-/constantinople-3.1.2.tgz#d45ed724f57d3d10500017a7d3a889c1381ae647"
+  integrity sha512-yePcBqEFhLOqSBtwYOGGS1exHo/s1xjekXiinh4itpNQGCu4KA1euPh1fg07N2wMITZXQkBz75Ntdt1ctGZouw==
   dependencies:
-    acorn "^3.1.0"
+    "@types/babel-types" "^7.0.0"
-    is-expression "^2.0.1"
+    "@types/babylon" "^6.16.2"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
 
 constants-browserify@^1.0.0:
   version "1.0.0"
@@ -2364,7 +2382,12 @@ core-js@^1.0.0:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
 
-core-js@^2.4.0, core-js@^2.5.0:
+core-js@^2.4.0:
+  version "2.6.11"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
+  integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
+
+core-js@^2.5.0:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.1.tgz#ae6874dc66937789b80754ff5428df66819ca50b"
 
@@ -3234,10 +3257,15 @@ estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
-esutils@^2.0.0, esutils@^2.0.2:
+esutils@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
 
+esutils@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
+  integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
+
 etag@^1.7.0, etag@~1.8.0, etag@~1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
@@ -4483,13 +4511,6 @@ is-equal-shallow@^0.1.3:
   dependencies:
     is-primitive "^2.0.0"
 
-is-expression@^2.0.1:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/is-expression/-/is-expression-2.1.0.tgz#91be9d47debcfef077977e9722be6dcfb4465ef0"
-  dependencies:
-    acorn "~3.3.0"
-    object-assign "^4.0.1"
-
 is-expression@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/is-expression/-/is-expression-3.0.0.tgz#39acaa6be7fd1f3471dc42c7416e61c24317ac9f"
@@ -5034,10 +5055,15 @@ lodash@^3.10.1:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.6.1, lodash@~4.17.4:
+lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.6.1, lodash@~4.17.4:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
+lodash@^4.17.4:
+  version "4.17.15"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
+  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+
 lodash@~2.4.1:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-2.4.2.tgz#fadd834b9683073da179b3eae6d9c0d15053f73e"
@@ -6894,8 +6920,9 @@ regenerator-runtime@^0.10.5:
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
 
 regenerator-runtime@^0.11.0:
-  version "0.11.0"
+  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.0.tgz#7e54fe5b5ccd5d6624ea6255c3473be090b802e1"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
+  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
 
 regenerator-transform@^0.10.0:
   version "0.10.1"
@@ -8059,6 +8086,7 @@ to-arraybuffer@^1.0.0:
 to-fast-properties@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
+  integrity sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=
 
 to-fast-properties@^2.0.0:
   version "2.0.0"