Geo: remove quarantine for Secondary::ShardWorker

Closes #12455

See merge request gitlab-org/gitlab-ee!16224

Update dangerbot.md fixed spelling

See merge request gitlab-org/gitlab-ee!16197

Document JupyterHub is available for group-level clusters

See merge request gitlab-org/gitlab-ce!32718

Standardised punctuation at end of sentences

See merge request gitlab-org/gitlab-ce!32723

Standardise punctuation at end of sentences

See merge request gitlab-org/gitlab-ee!16210

Bring typo fix over from EE

See merge request gitlab-org/gitlab-ce!32802

Fix issue causing linting test failures

See merge request gitlab-org/gitlab-ce!32801

Add auto_sign_in_with_provider info to OmniAuth doc

See merge request gitlab-org/gitlab-ce!32416

fix for #60120

See merge request gitlab-org/gitlab-ce!30199

Replace GDK ref

See merge request gitlab-org/gitlab-ce!32621

Bump fog-google to support ADC auth on GCP

Closes gitlab-ee#14810

See merge request gitlab-org/gitlab-ce!32775

Avoid calling freeze on already frozen strings in app/helpers

See merge request gitlab-org/gitlab-ce!32789

Normalize import_export structure

See merge request gitlab-org/gitlab-ce!32704

Updated description in the Gitlab Prometheus metrics section

See merge request gitlab-org/gitlab-ce!32280

Add method to authorize reading from prometheus proxy

Closes #63044

See merge request gitlab-org/gitlab-ce!32305

Add prometheus proxies

See merge request gitlab-org/gitlab-ee!15700

This adds prometheus proxies for project and group clusters. This will
be used for cluster metrics dashboards similar to how we currently do
environment metrics.

Add template for Alerts Service

See merge request gitlab-org/gitlab-ee!15733

**Please note:**

- Feature flag (`generic_alert_endpoint`)
- Part of https://gitlab.com/gitlab-org/gitlab-ee/issues/13203

The gross alternative was to add more haml field types, and inject
just a Vue button. As shown in [this mr][1], this is not a good way.

[1]: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/16029

Allow to load ECDSA certificates for pages domains

See merge request gitlab-org/gitlab-ce!32393