Refactor error handling and some more in the visualization

See merge request gitlab-org/gitlab!50850

- Refactor the error handling to stop using warnings
- Consolidate the system into one error object
- Replace lodash `isEmpty` with a simple length check

Remove feature flag query_cache_for_load_balancing

See merge request gitlab-org/gitlab!50959

Docs for auto-generated Redis HLL metrics for totals

See merge request gitlab-org/gitlab!51063

Add API to update group MR approval settings

See merge request gitlab-org/gitlab!50814

Update empty state to match designs

See merge request gitlab-org/gitlab!50894

Resolve "Hide inoperable group search Releases filter - backend"

See merge request gitlab-org/gitlab!50457

Feat(oncallschedules): add form validation - schedule / rotations

See merge request gitlab-org/gitlab!50819

fix(feedback): apply merge feedback

Fix 2.7 warnings by extracting kwargs

See merge request gitlab-org/gitlab!50895

Deprecate use of rubocop cop_helper

See merge request gitlab-org/gitlab!51005

Add specs for nil project PAT authentication

See merge request gitlab-org/gitlab!51025

Moving Terraform reports feature category

See merge request gitlab-org/gitlab!51028

Fire webhook when updating or removing a group member

See merge request gitlab-org/gitlab!50217

Webhook working, specs not working yet

Remove monitor flags for aggregate counters

See merge request gitlab-org/gitlab!50788

Fix Graphql/Descriptions FOSS mutations offenses [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!50810

Removed redundant and outdated content.

See merge request gitlab-org/gitlab!51067

Clean up js-* classes from pipeline_url.vue

See merge request gitlab-org/gitlab!50244

This removes all instances of js-* selectors in the pipeline_url.vue.
data-testid labels have been implemented already in the past, so this is
just a cleanup of unnecessary classes and E2E tests that use them as
selectors.

Move pipeline artifacts removal process into its own worker

See merge request gitlab-org/gitlab!50446

Move pipeline artifacts removal process into its own worker

Replace $dropdown-input-fa-color with $gray-500

See merge request gitlab-org/gitlab!49213

Fix minor code block in docs

See merge request gitlab-org/gitlab!51057

- Fix lint error

Check runner compatibility with allow_failure:exit_codes

See merge request gitlab-org/gitlab!50768

Check runner compatibility with allow_failure:exit_codes

Update click_vulnerability test function

See merge request gitlab-org/gitlab!50976

POC: Search general settings

See merge request gitlab-org/gitlab!50166

Runner admin: Updated UI to make runner lowercase

See merge request gitlab-org/gitlab!50477

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/245401
Changed the word runner to be lowercase
and made a few other UI text updates

Update MR template to help identify transient bugs

See merge request gitlab-org/gitlab!51052

Add more tests in request API spec for sast configuration

See merge request gitlab-org/gitlab!50583

Hide "Health status" edit button when the user has no permission'

See merge request gitlab-org/gitlab!49535