ci: Improve repo security

[SMadani]

Mirrors changes made on the Kotlin SDK.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.97%. Comparing base (fe06b81) to head (84cbfb7).
Report is 68 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #551      +/-   ##
============================================
+ Coverage     95.60%   95.97%   +0.37%     
- Complexity     3427     3752     +325     
============================================
  Files           513      564      +51     
  Lines          8141     8701     +560     
  Branches        451      496      +45     
============================================
+ Hits           7783     8351     +568     
+ Misses          198      177      -21     
- Partials        160      173      +13     

see 34 files with indirect coverage changes

---- 🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests

[github-advanced-security]

This pull request sets up GitHub code scanning for this repository. Once the scans have completed and the checks have passed, the analysis results for this pull request branch will appear on this overview. Once you merge this pull request, the 'Security' tab will show more code scanning analysis results (for example, for the default branch). Depending on your configuration and choice of analysis tool, future pull requests will be annotated with code scanning analysis results. For more information about GitHub code scanning, check out the documentation.