Add CodeQL analysis for GitHub Actions

[martincostello]

• Add CodeQL analysis for GitHub Actions.
• Refactor permissions.
• Add overall job/status for all languages.
• Standardize workflow with other repos.

[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.

[costellobot]

Device	URL
desktop	https://localhost:50001

Device	URL
mobile	https://localhost:50001

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.45%. Comparing base (fad6919) to head (17b96bd).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3088   +/-   ##
=======================================
  Coverage   77.45%   77.45%           
=======================================
  Files         123      123           
  Lines        2511     2511           
  Branches      381      381           
=======================================
  Hits         1945     1945           
  Misses        381      381           
  Partials      185      185           

Flag	Coverage Δ
linux	77.45% <ø> (ø)
macos	77.45% <ø> (ø)
windows	77.41% <ø> (ø)

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