Extend background migration development guidelines

See merge request !12988

Update grape gem

See merge request !12992

Merge branch '34995_add_traditional_chinese_in_taiwan_translations_of_pipeline_schedules' into 'master'

Add Traditional Chinese in Taiwan translations of Pipeline Schedules

Closes #34995

See merge request !12982

Convert Protected Branches feature JS code to ES6

See merge request !12970

Follow-up from "Resolve "pipeline_schedules pages throwing error 500""

Closes #35345, #32790, and #34652

See merge request !12983

Add GitLab Trello Power-Up Documentation

See merge request !12997

Standardize on ISO8601 UTC time for lograge

See merge request !12995

Fix height of issue boards with new navigation

Closes #35299

See merge request !12985

Add coordinator url to admin area runner page

Closes #20817

See merge request !11603

Bump Gitlab-Shell to 5.4.0

Closes gitaly#381

See merge request !13001

Refactor filtered search dropdown parameters

Closes #32814

See merge request !12877

34973 Make font size of contextual sub menu items 14px

Closes #34973

See merge request !12951

[ci skip]

[ci skip]

Add libre2-dev to the list of dependencies

Closes #35342

See merge request !12996

[ci skip]

[ci skip]

Documentation and link to explanation of prometheus_multiproc_dir

See merge request !12956

Wrong data type when testing webhooks

Closes #5971

See merge request !11728

Add French translations of Commits Page & Pipeline Charts

Closes #34174 and #34794

See merge request !12409

Closes #35299

Migrate DiffCollection limiting logic to Gitaly

See merge request !12867

Fix logger disabling on the CI: instantiate an ActiveSupport::TaggedLogging

See merge request !12987

Leverage the new cache policies in .gitlab-ci.yml

See merge request !12978