Repo File Sync: Improve inline documentation in CodeQL workflow

[uefibot]

synced local file(s) with microsoft/mu_devops.

🤖: View the Repo File Sync Configuration File to see how files are synced.

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This PR was created automatically by the repo-file-sync-action workflow run #7827181619

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2044d86) 1.59% compared to head (225edaa) 1.59%.

Additional details and impacted files

@@               Coverage Diff               @@
##           release/202311     #729   +/-   ##
===============================================
  Coverage            1.59%    1.59%           
===============================================
  Files                1136     1136           
  Lines              259108   259108           
  Branches             5127     5127           
===============================================
  Hits                 4126     4126           
  Misses             254935   254935           
  Partials               47       47           

Flag	Coverage Δ
MdeModulePkg	0.70% <ø> (ø)
MdePkg	5.37% <ø> (ø)
PolicyServicePkg	30.20% <ø> (ø)
UnitTestFrameworkPkg	∅ <ø> (∅)

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