Add Vue notification settings dropdown to groups and user settings

See merge request gitlab-org/gitlab!53045

- This adds the vue notificatio
dropdown to the group detail page
as well as to the user's
notification settings

Wait for username validation JS to complete

See merge request gitlab-org/gitlab!53198

Add docs on how to confirm QA tests pass with a feature flag enabled

See merge request gitlab-org/gitlab!51178

This is the least disruptive to pipeline triage DRIs and encourages us
to confirm we have valid tests _before_ changes are merged.

Cleanup Update Issue Weights Paywall CTAs feature flag

See merge request gitlab-org/gitlab!53117

Updated instructions on Group-level Maven endpoint, describing the use of 'GROUP_ID'

See merge request gitlab-org/gitlab!53145

Add group merge request approval setting component

See merge request gitlab-org/gitlab!52297

Revert project has external wiki MR

See merge request gitlab-org/gitlab!53216

The change also contains changes to restore the original state on
staging.

Add reCAPTCHA fields to snippet mutations

See merge request gitlab-org/gitlab!51956

NOTE: This is a work-in-progress branch, still sorting out
how to split the logic from
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/50559
across multiple MRs.

Persist value stream stages

See merge request gitlab-org/gitlab!51884

Fix full screen mode for comments in merge request changes view

See merge request gitlab-org/gitlab!53009

This new component allows users to view group level merge request
approval settings within Group general settings page. This is a licensed
feature and only visible to user with admin and group owner role.

This feature is hidden behind a feature flag
`group_merge_request_approval_settings_feature_flag`.
Co-authored-by: Natalia Tepluhina <ntepluhina@gitlab.com>

Pipeline Graph Structural Update: SVG Bugfix

See merge request gitlab-org/gitlab!53067

Fix 2.7 warning for attr_encrypted

See merge request gitlab-org/gitlab!53173

Cleans up the hidden and active stages
in the form

Update UI Text in Deploy Tokens screen

See merge request gitlab-org/gitlab!52267

Restore gitlab pot timestamps

Update gitlab-shell to v13.16.0

See merge request gitlab-org/gitlab!53097

default_value_for uses attr_changed? that raises a warning

since it's not critical to skip setting a default value for
encrypted attributes in specs, we can skip it

[RUN ALL RSPEC] Update rspec-* gem versions

See merge request gitlab-org/gitlab!52873

Preserve Epic parent-child association when importing using Bulk Import

See merge request gitlab-org/gitlab!52662

Adding `.` to list of masked variables

See merge request gitlab-org/gitlab!53092

Generate absolute paths for Gitaly test config files

See merge request gitlab-org/gitlab!53174

Externalize UI text for push rule settings

See merge request gitlab-org/gitlab!53185

Externalizes additional strings for the
push rule settings page

Do not automatically focus on projects search input

See merge request gitlab-org/gitlab!53094

Rename asset_proxy_whitelist column

See merge request gitlab-org/gitlab!50824

Apply new GitLab UI for buttons in empty project snippets placeholder

See merge request gitlab-org/gitlab!53157

Preload recent failures on test suite

See merge request gitlab-org/gitlab!52935

Add btn-default class for unlock button in locked files page

See merge request gitlab-org/gitlab!52858

It fixes more Ruby 2.7 warnings

rspec-rails:
https://github.com/rspec/rspec-rails/blob/main/Changelog.md

rspec-core:
https://github.com/rspec/rspec-core/blob/main/Changelog.md

rspec-expectations:
https://github.com/rspec/rspec-expectations/blob/main/Changelog.md

rspec-support:
https://github.com/rspec/rspec-support/blob/main/Changelog.md

rspec-mocks:
https://github.com/rspec/rspec-mocks/blob/main/Changelog.md

Fix 2.7 warnings for usage data code area

See merge request gitlab-org/gitlab!53146