The TDE_MODE environment variable disables tests we actually want to run
in our Github Actions. This change is also necessary to in a future
commit disable the pg_tde tests in the global TDE mode.
- Added code coverage to link repo to codecov.io for coverage stats on
PR and merge.
- Added coverage badge on the landing page (readme) of the repo.
- Updated GH action to run on PUSH/MERGE, as this is required for code
coverage.
- Updated bash files in ci_scripts folder to accommodate tde
installcheck only.
- Added percona server version scheme verification TAP test case.