Documentation changes for use of pre-defined project variables in include

See merge request gitlab-org/gitlab!51401

Adds doc changes for pre defined project variables in
include section of .gitlab-ci.yml

Doc project events limited to 30 days

See merge request gitlab-org/gitlab!51343

Project events are limited to a 30-day period.

Add unmappable character error solution in troubleshooting

See merge request gitlab-org/gitlab!51246

Merge branch '297023-flaky-ee-spec-services-quick_actions-interpret_service_spec-rb-1069' into 'master'

Resolve "Flaky ee/spec/services/quick_actions/interpret_service_spec.rb:1069"

See merge request gitlab-org/gitlab!51286

Move participant permission validation to service

See merge request gitlab-org/gitlab!49537

- Add spec changes

Resolve "Issue changes with updated_at not properly respected"

See merge request gitlab-org/gitlab!50272

* After that, we correct the actual spec since the
usernames should now be static

Update pages delete section card footer

See merge request gitlab-org/gitlab!50945

Fix typos in vulnerability scanners GraphQL and should typo in files

See merge request gitlab-org/gitlab!50552

Fix issue with the `default_merge_refs` feature flag removing version to version diffs

See merge request gitlab-org/gitlab!50671

Runners: Updated UI text to match latest style

See merge request gitlab-org/gitlab!50403

Related to: https://gitlab.com/gitlab-org/technical-writing/-/issues/319
Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/245401

Remove customer service_desk_custom_address flag

See merge request gitlab-org/gitlab!51202

This flag is not needed anymore

Remove obsolete DOMContentLoaded Eventlistener from Labels Page

See merge request gitlab-org/gitlab!51455

Add PAT expiry to notifications doc

See merge request gitlab-org/gitlab!51436

Quarantine dockerfile dropdown spec

See merge request gitlab-org/gitlab!51500

Resolve "FOSS broken `master` due to spec/requests/api/group_boards_spec.rb" [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!51502

Change group admin to group owner

See merge request gitlab-org/gitlab!51487

Adjust Pipeline Editor Vis to Handle Parallel Jobs

See merge request gitlab-org/gitlab!50897

- Update tests to pass with the new supprot for parallel jobs
- Update CI viz to trace lines and highlight needs properly

Update usage ping guide

See merge request gitlab-org/gitlab!50270

Update usage ping guide with information about
estimated batch count method.

Reduce the per-page size in release index page for reducing the number of markdown post-processing

See merge request gitlab-org/gitlab!50934

Appears to be a flaky spec

Clean up variable table some more

See merge request gitlab-org/gitlab!51419

Add upload feature for metric images

See merge request gitlab-org/gitlab!46731

Adds a new metrics tab in incidents
Uses a new shared component for drag and drop

Fix component option order in admin

See merge request gitlab-org/gitlab!51354

Revert "Merge branch 'fix/gb/ci-build-stuck-badge-performance-experiment' into 'master'"

See merge request gitlab-org/gitlab!51446

Delete ee/app/assets/javascripts/roadmap/store/getters.js

See merge request gitlab-org/gitlab!51306