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Improve build stages reference migration

Closes #33866

See merge request !12337

Disable statement timeout in CI pipelines migration

See merge request !12268

Add index for head pipeline

See merge request !12273

Ran:
 - git format-patch v9.2.2..v9.2.5 --stdout > patchfile.patch
 - git checkout -b 9-2-5-security-patch origin/v9.2.2
 - git apply patchfile.patch
 - git commit
 - [Got the sha ref for the commit]
 - git checkout -b upstream-9-2-security master
 - git cherry-pick <SHA of the patchfile commit>
 - [Resolved conflicts]
 - git cherry-pick --continue

Rework project authorizations and nested groups for better performance

See merge request !10885

Ran:
 - git format-patch v9.2.2..v9.2.5 --stdout > patchfile.patch
 - git checkout -b 9-2-5-security-patch origin/v9.2.2
 - git apply patchfile.patch
 - git commit
 - [Got the sha ref for the commit]
 - git checkout -b upstream-9-2-security master
 - git cherry-pick <SHA of the patchfile commit>
 - [Resolved conflicts]
 - git cherry-pick --continue

Fix typo in moving the`appearance` folder in migrations

See merge request !2116

Creates an index in ci_stages before migrating pipeline stages from
ci_builds, to improve migration performance.

	small code formatting changes

+ use strip_heredoc to make the text in tests much more readable

 + remove unecessarey require
 + fix small formatiing issues

+ Add spaces for four phases approach
+ fix InfluxDB rename

+ Cleanup Gemfile

it a bit more robust against missing options,
which we did guard on for some cases.