Merge upstream and update generated code for v1868 and 2025-07-30.preview

.rubocop.yml

@@ -54,13 +54,13 @@ Metrics/PerceivedComplexity:
     - "lib/stripe/util.rb"
 
 Metrics/MethodLength:
-  # There's ~2 long methods in `APIRequestor` and one in `NestedResource`. If
-  # we want to truncate those a little, we could move this to be closer to ~30
-  # (but the default of 10 is probably too short).
+  # There's one long method in `NestedResource`. If we want to truncate it a little,
+  # we could move this to be closer to ~30 (but the default of 10 is probably too short).
   Max: 55
   Exclude:
     - "lib/stripe/services/v1_services.rb"
     - "lib/stripe/event_types.rb"
+    - "lib/stripe/api_requestor.rb"
   AllowedMethods:
     - initialize
 

OPENAPI_VERSION

@@ -1 +1 @@
-v1867
+v1868