chore: run codeql on PRs

[dashpole]

Based on https://github.com/open-telemetry/opentelemetry-go/blob/main/.github/workflows/codeql-analysis.yml and https://github.com/open-telemetry/opentelemetry-js/blob/main/.github/workflows/codeql-analysis.yml

[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.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0d54cf4) 97.72% compared to head (1c43bee) 97.72%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #663   +/-   ##
=======================================
  Coverage   97.72%   97.72%           
=======================================
  Files          18       18           
  Lines         703      703           
  Branches      136      136           
=======================================
  Hits          687      687           
  Misses         16       16           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.