chore: bump github/codeql-action from 2.21.5 to 2.21.6

[dependabot]

Bumps github/codeql-action from 2.21.5 to 2.21.6.

Changelog

Sourced from github/codeql-action's changelog.

2.21.6 - 13 Sep 2023

• Better error message when there is a failure to determine the merge base of the code to analysis. #1860
• Improve the calculation of default amount of RAM used for query execution on GitHub Enterprise Server. This now reduces in proportion to the runner's total memory to better account for system memory usage, helping to avoid out-of-memory failures on larger runners. This feature is already available to GitHub.com users. #1866
• Enable improved file coverage information for GitHub Enterprise Server users. This feature is already available to GitHub.com users. #1867
• Update default CodeQL bundle version to 2.14.4. #1873

Commits

• 701f152 Merge pull request #1875 from github/update-v2.21.6-6a6a82470
• 1b62990 Fix misplaced changelog entry
• 5462f69 Update changelog for v2.21.6
• 6a6a824 Merge pull request #1873 from github/update-bundle/codeql-bundle-v2.14.4
• 88c7a5c Add changelog note
• da65035 Update default bundle to codeql-bundle-v2.14.4
• 43750fe Merge pull request #1872 from github/henrymercer/user-errors-for-upload-sarif
• a7c12a5 Address PR comments
• 7218de5 Merge branch 'main' into henrymercer/user-errors-for-upload-sarif
• 4764dce Merge pull request #1866 from github/henrymercer/enable-scaling-reserved-ram-...
• Additional commits viewable in compare view

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[codecov]

Codecov Report

Merging #9093 (75b1ff5) into main (290280e) will decrease coverage by 7.05%.
Report is 1027 commits behind head on main.
The diff coverage is 48.90%.

@@            Coverage Diff             @@
##             main    #9093      +/-   ##
==========================================
- Coverage   70.48%   63.43%   -7.05%     
==========================================
  Files         515      628     +113     
  Lines       23150    32283    +9133     
==========================================
+ Hits        16317    20479    +4162     
- Misses       5776    10246    +4470     
- Partials     1057     1558     +501     

Files Changed	Coverage Δ
cmd/skaffold/app/cmd/completion.go	13.04% <0.00%> (-1.25%)	⬇️
cmd/skaffold/app/cmd/config/list.go	65.21% <ø> (ø)
cmd/skaffold/app/cmd/config/set.go	88.72% <ø> (ø)
cmd/skaffold/app/cmd/config/util.go	54.28% <ø> (ø)
cmd/skaffold/app/cmd/credits.go	100.00% <ø> (ø)
cmd/skaffold/app/cmd/credits/export.go	0.00% <0.00%> (ø)
cmd/skaffold/app/cmd/deploy.go	40.90% <0.00%> (-12.94%)	⬇️
cmd/skaffold/app/cmd/generate_pipeline.go	60.00% <ø> (ø)
cmd/skaffold/app/cmd/inspect_modules.go	65.00% <0.00%> (ø)
cmd/skaffold/app/cmd/inspect_profiles.go	66.66% <0.00%> (ø)
... and 41 more

... and 431 files with indirect coverage changes

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