Add issue header mobile dropdown loading state

See merge request gitlab-org/gitlab!49734

- Add loading state to give user feedback that the action is in progress
- Update error message to be more specific
- Move some specs to more appropriate locations

Bump gitlab-styles to 5.3.0

See merge request gitlab-org/gitlab!49839

Test setup: skip workhorse compile if unchanged

See merge request gitlab-org/gitlab!49823

Upgrade mailroom to v0.0.8

See merge request gitlab-org/gitlab!49834

Update product feature URL in feature issue templates

See merge request gitlab-org/gitlab!49806

Use GitLab UI styles on Integrations page

See merge request gitlab-org/gitlab!47478

- remove surrounding quotes from `title` attribute

Docs: Add version history note to doc

See merge request gitlab-org/gitlab!49820

This makes Style/AndOr enabled everywhere.

Remove instances of future tense from several Development Guide pages

See merge request gitlab-org/gitlab!49811

This may help with the process not terminating properly:
https://gitlab.com/gitlab-org/charts/gitlab/-/issues/2440

Simplify existing_errors for CodequalityReportsComparer

See merge request gitlab-org/gitlab!49386

Extend Gitlab::Codeowners to include a method for returning the sections only

See merge request gitlab-org/gitlab!48898

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/232988

* Add method `.sections` to `Gitlab::CodeOwners`

Document @connection directive

See merge request gitlab-org/gitlab!49471

Documents how @connection an be used to interact with cached paginated
data in Apollo.

Update ide pipeline alert to use gitlab ui

See merge request gitlab-org/gitlab!49634

Add grid for rotations display + current day indicator

See merge request gitlab-org/gitlab!49248

Switch diff_check_with_paths_changed_rpc_flag flag to default true

See merge request gitlab-org/gitlab!49803

Merge 'Sample Data' and 'Built-in' tabs on Project Templates page

See merge request gitlab-org/gitlab!49374

Steamlining UI and sample data templates

Add note that deploy tokens don't support artifact

See merge request gitlab-org/gitlab!47859

Delete manifests in dependency proxy purge api

See merge request gitlab-org/gitlab!49056

Move shared_runners_minutes_limit_enabled? to Ci::Minutes::Quota

See merge request gitlab-org/gitlab!49009

Enable core_security_mr_widget_downloads by default

See merge request gitlab-org/gitlab!49572

Docs: Document use of manual rubocop todo file

See merge request gitlab-org/gitlab!49416

Move profiles/keys#get_keys to users#ssh_keys

See merge request gitlab-org/gitlab!48991

Permissions for Security bot

See merge request gitlab-org/gitlab!49167

Merge branch '271250-fe-devops-report-adding-preparing-state-and-tooltips-in-segment-table' into 'master'

Add "preparing" state to devops adoption table

See merge request gitlab-org/gitlab!49570

Speed up Rspec workhorse setup

See merge request gitlab-org/gitlab!49741

doc: Updated the structure of User Timing section

See merge request gitlab-org/gitlab!49809