Fix issue redirects going to /issues/:id/designs

Closes #31357

See merge request gitlab-org/gitlab!16638

Set default whitespace diff

Closes #18761

See merge request gitlab-org/gitlab!16570

Docs: Add deploy service requirement

See merge request gitlab-org/gitlab!16686

When a project is redirected to a new project, Rails attempts to
construct the proper URL in `url_for` by finding the first route that
matches the given parameters. In this case, `namespace_id`,
`project_id`, `id` matched the `/designs` route first, so it used that.

This happens because the Rails `resources` block defines all the
standard #index, #show, #update, etc. routes after the block runs.

To ensure that `/issues/:id` is used to display an issue, we need to use
a separate action for `/issues/:id/designs`.

Closes https://gitlab.com/gitlab-org/gitlab/issues/31357

Fix merge request redirects going to /commits page

See merge request gitlab-org/gitlab!16705

Document `only/except: external_pull_requests`

Closes #31660

See merge request gitlab-org/gitlab!16448

Fix spelling mistake in README.md

See merge request gitlab-org/gitlab!16736

When a merge request is redirected to a new project, Rails attempts to
construct the proper URL in `url_for` by finding the first route that
matches the given parameters:

1. `controller` -> `projects/merge_requests`
2. `action` -> `show`
3. `namespace_id`
4. `project_id`
5. `id`

In this example, `/*namespace_id/:project_id/commits/*id` matched
instead of `/*namespace_id/:project_id/merge_requests/:id`.

This happens because the Rails `resources` block defines all the
standard #index, #show, #update, etc. routes after the block runs.

We fixed this issue by explicitly specifying the merge request #show
as the first route.

This is similar to https://gitlab.com/gitlab-org/gitlab/issues/31357,
except the solution is a bit simpler because the backend appears to set
a `tab` query string, which allows the redirected route to end up in the
right place. For example, visiting the old `/merge_requests/:id/commits`
appears to cause a redirection to `/merge_requests/:id/?tab=commits`,
which does the right thing.

Remove gitaly get_commit_signatures feature flag

See merge request gitlab-org/gitlab!16550

Removes gitaly get_commit_signatures feature flag.
The new RPC is doing well in production.

Update CI config to use new project names

Closes #31902

See merge request gitlab-org/gitlab!16639

Improved close issue spec

Closes gitlab-org/quality/nightly#134

See merge request gitlab-org/gitlab!16690

Add milestones to release blocks

See merge request gitlab-org/gitlab!16562

Fix flaky issue card spec

Closes #11932

See merge request gitlab-org/gitlab!15458

Remove vue-resource from NotesService

Closes #31359

See merge request gitlab-org/gitlab!16569

(cherry picked from commit 7e063c59b6674513a05aa6c5b5c1fae6b2a06435)
(cherry picked from commit 08d6d2bec710b68a4180ec510fe625e2c9c4bf99)
(cherry picked from commit 88a9e2bf368f647f0fe334b6d5d11abb3871e327)
(cherry picked from commit 73e11d773187914bb2aeeea3de7a06d52272aa86)
(cherry picked from commit 3a879d4fb252a66309f3eb1b9d7eefcc67b0f3de)
(cherry picked from commit b95c8391af30bc5d30c7d351d9756c98a0a29ca7)
(cherry picked from commit 984fa368ba59be2468757e9424889ca8162a99e5)
(cherry picked from commit 47a14ca0321a7e1a8364e7f370c28cb1da22b4b9)
(cherry picked from commit 6a2e56a0ac4e8dbddf2af337798083f78c264f5d)
(cherry picked from commit f7830abf1d9976ab0ebd7380874346de4988219f)
(cherry picked from commit 99d9b3a941e615a1f4b4b8823b27fcbc7ee63cb5)

Add smoke tag to new issue mentions spec

See merge request gitlab-org/gitlab!16626

Perform case insensitive diff on license names

See merge request gitlab-org/gitlab!16335

* https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/16335#note_215838504
* https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/16335#note_215838509
* https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/16335#note_215838512
* https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/16335#note_215838513

Resolve "Quick actions to add/remove Zoom meetings on issues"

See merge request gitlab-org/gitlab!16609

This feature is behind a feature flag `issue_zoom_integration`.

To enable this feature flag do:

    echo 'Feature.enable(:issue_zoom_integration)' | rails console

Resolve "Maximum Users should always reflect current counts"

Closes #8418

See merge request gitlab-org/gitlab!15810

Remove additional text if current user count exceeds historical.

Remove backward compatibility for Geo Sync worker

See merge request gitlab-org/gitlab!16536

Add secondary lag message on Git push over HTTP

See merge request gitlab-org/gitlab!15901

At this point, we are the primary node, and the secondary has
redirected to us. We need to store the secondary Geo node ID
because Gitaly will make a request to the /internal/post_receive
API endpoint after we’ve responded OK to Workhorse.

Later, in /internal/post_receive, we will fetch the node ID and
generate a replication lag message.

Only allow add_reference for newly created tables

See merge request gitlab-org/gitlab!16618

Relates to https://gitlab.com/gitlab-org/gitlab-ce/issues/67210

Add QA Ambiguous Page Object cop

See merge request gitlab-org/gitlab!16486

Disable QA/AmbiguousPageObjectName cop for all offenses
under QA

Resolve "Use only one version of the key icon"

Closes #31438

See merge request gitlab-org/gitlab!16490

Add CI variable for repository languages

See merge request gitlab-org/gitlab!16477

Expose repository languages as a CI variable for use during CI.