Update dependency @gitlab/ui to v20.20.0

See merge request gitlab-org/gitlab!41921

Swimlanes - Add issue to list

See merge request gitlab-org/gitlab!41054

Use v-html for system note icon

See merge request gitlab-org/gitlab!41915

GraphQL: Expose current user todos for todoables

See merge request gitlab-org/gitlab!40555

Refactor PostReceive hooks for group wikis [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!37439

Remove performance_bar JS from main.js

Closes #227139

See merge request gitlab-org/gitlab!41741

Separate alert details table component for re-use

See merge request gitlab-org/gitlab!41536

Update yaml codeblocks with yamllint in secure docs

See merge request gitlab-org/gitlab!41862

Change link formatting on incidents page

See merge request gitlab-org/gitlab!41914

Made initialization for GFM input conditional

See merge request gitlab-org/gitlab!41653

Double check if already initialised

Adding purple color variables to mirror GitLab UI

See merge request gitlab-org/gitlab!41793

Use permission definitions from ProjectPolicy shared context exclusively

See merge request gitlab-org/gitlab!38185

Optimize header.js with code splitting

Closes #246525

See merge request gitlab-org/gitlab!41731

Refactor tests to support Parent Strategy in factories

See merge request gitlab-org/gitlab!41753

Updating dismiss vuln docs with clarity

See merge request gitlab-org/gitlab!41917

Doc - remove message about pip.conf

See merge request gitlab-org/gitlab!40859

Make Web IDE commit check more reliable

See merge request gitlab-org/gitlab!41245

- When commiting via the Web IDE, check that the commit is complete
  by waiting for the IDE to return to Edit mode and for the commit SHA
  to change. This should be more reliable than checking for text that
  only appears for a moment.
- Adds/updates QA selectors

Replace v-html with v-safe-html in popover.vue

See merge request gitlab-org/gitlab!41197

Update design discussions to use GitLab UI components

See merge request gitlab-org/gitlab!41686

Fix merge request chat messages for adding and removing approvals

See merge request gitlab-org/gitlab!41775

Rake task to generate raw SQLs for usage ping

See merge request gitlab-org/gitlab!41091

Optimize issues_controller actions arrays

See merge request gitlab-org/gitlab!41669

Remove the ./ styling on these links, because I believe it causes
problems in some cases.

Remove .exclusive from Epic positioning spec

See merge request gitlab-org/gitlab!41912

Geo: Add External MR diff replication

Closes #233829 and #215137

See merge request gitlab-org/gitlab!34248

Add another data type to the Geo self-service replication framework:
Merge Request Diffs

Issue: https://gitlab.com/gitlab-org/gitlab/-/issues/215137

Relates to https://gitlab.com/gitlab-org/gitlab/-/issues/247120

Clarify what the vale alert box rule does

See merge request gitlab-org/gitlab!41842

Converted Trigger to Vanilla JS
Moved Dropdown Tracking into IdleCallback
Optimized Status Modal Import

Added Subelement for Status Modal Wrapper

Don't write a file in feature flag tests

See merge request gitlab-org/gitlab!41896

Clarify API response header behavior

Closes #216218

See merge request gitlab-org/gitlab!41845