Update Docs for Chat Notifications

Closes #61867

See merge request gitlab-org/gitlab-ce!28510

Update configuration screenshots for Slack and Mattermost
Update list of events for Mattermost

Clarify case for feature flags

See merge request gitlab-org/gitlab-ce!28424

Make throttling in the dirty_submit form check smarter

Closes #61928

See merge request gitlab-org/gitlab-ce!28377

i18n JS files starting with l

See merge request gitlab-org/gitlab-ce!28065

Jobs should be better isolated to avoid interference with other `image` or...

See merge request gitlab-org/gitlab-ce!28213

Jobs should be better isolated to avoid interference with other `image` or `before_script` statements.

Add HamlLint::Linter::NoPlainNodes linter

See merge request gitlab-org/gitlab-ce!28265

Use `BatchModelLoader` for GroupType

Closes #62066

See merge request gitlab-org/gitlab-ce!28504

Makes 'diff/content' partial use instance method

See merge request gitlab-org/gitlab-ce!28500

There's a method defined on viewer that does the conditional.

Set attempt project search optimizations flag to default_enabled

Closes #60452

See merge request gitlab-org/gitlab-ce!28474

Resolve CE/EE diffs in projects branches

Closes gitlab-ee#10498

See merge request gitlab-org/gitlab-ce!28521

Resolve CE/EE diffs in import github

Closes gitlab-ee#10497

See merge request gitlab-org/gitlab-ce!28523

i18n JS files starting with p or r

See merge request gitlab-org/gitlab-ce!28168

Added a QA tag to the report component expand button

See merge request gitlab-org/gitlab-ce!28416

i18n of JS files starting with c or d

See merge request gitlab-org/gitlab-ce!28007

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

This commit only targets Vanilla JS files.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

Internationalisation of import_projects directory

See merge request gitlab-org/gitlab-ce!27681

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

Remove unnecessary bind call during translation

See merge request gitlab-org/gitlab-ce!28393

Merge branch '10091-move-ee-differences-for-app-assets-javascripts-pages-milestones-shared-components-promote_milestone_modal-vue' into 'master'

Resolved EE differences in promote milestone modal vue component

See merge request gitlab-org/gitlab-ce!28114

Created shared mixins for modal content

Added table component for file listing

See merge request gitlab-org/gitlab-ce!28334

Add allow_failure attribute to Job API

Closes #50813

See merge request gitlab-org/gitlab-ce!28406

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/50813

Change resolve button text to mark comment as resolved

Closes #61084

See merge request gitlab-org/gitlab-ce!28484

First pass at a graphql vision

See merge request gitlab-org/gitlab-ce!27959

"Checkout locally by adding a git alias" needs small change

See merge request gitlab-org/gitlab-ce!28330

Update API dox to save others from my mistakes

See merge request gitlab-org/gitlab-ce!28368

Revert "Merge branch '55127-add-delay-after-mr-creation-for-async-tasks-to-complete' into 'master'"

See merge request gitlab-org/gitlab-ce!28492

add @luisdiogo2071317 as Portuguese proofreader

See merge request gitlab-org/gitlab-ce!28080

Adds arrow icons to select menu in CI/CD settings

Closes #62038

See merge request gitlab-org/gitlab-ce!28476

Updates loading icon in commit's page

Closes #61990

See merge request gitlab-org/gitlab-ce!28475

Resolve CE/EE diffs in new group member view

Closes gitlab-ee#11026

See merge request gitlab-org/gitlab-ce!28409

Fix layout of group milestone header

Closes #60750

See merge request gitlab-org/gitlab-ce!28487

Add to docs sentence about alertbot opening issues

See merge request gitlab-org/gitlab-ce!28503

Part of single codebase changes.

Part of single codebase changes.