Fix SSH pull mirrors not working

Closes gitaly#1550

See merge request gitlab-org/gitlab-ee!10272

Fix alert serialization when opening incidents

See merge request gitlab-org/gitlab-ee!10254

As Sidekiq does not support ActionController::Parameters[1]
we have to convert them to a Hash when scheduling a job.

[1]: https://github.com/mperham/sidekiq/issues/3667

Add support for deleting images in registry 2.7

See merge request gitlab-org/gitlab-ce!25862

Document how Git object deduplication works in GitLab

See merge request gitlab-org/gitlab-ce!25770

Document how Git object deduplication is implemented

See merge request gitlab-org/gitlab-ee!10236

Docs: Bring HTML Style Guide in line with docs standards

See merge request gitlab-org/gitlab-ce!26252

Collapse diff tree is only one file is present

Closes #53139

See merge request gitlab-org/gitlab-ce!26280

Merge branch '9227-geo-primary-checksums-are-not-recalculated-after-deployment-refs-are-created' into 'master'

Geo - Reset the verification checksum after deployment refs are created

Closes #9227

See merge request gitlab-org/gitlab-ee!10160

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/53139

Merge the gitlab-shell "gitlab-keys" functionality into GitLab CE

Closes #56089

See merge request gitlab-org/gitlab-ce!25598

In this commit, some methods that aren't being used
are removed from `Gitlab::Shell`. They are the ff:
- `#remove_keys_not_found_in_db`
- `#batch_read_key_ids`
- `#list_key_ids`

The corresponding methods in `Gitlab::Keys` have been
removed as well.

Revert "New Repository#insights_config method"

See merge request gitlab-org/gitlab-ce!26315

Add users search results to global search

Closes #25973

See merge request gitlab-org/gitlab-ce!21197

[EE] Add users search results to global search

See merge request gitlab-org/gitlab-ee!8985

this is for EE to be able to call this (elastic search)

Remove diff tree filtering feature flag

See merge request gitlab-org/gitlab-ce!26273

Make runners token encryption to be optional

See merge request gitlab-org/gitlab-ce!26223

This reverts merge request !26183

Bump Rugged to 0.28.0

See merge request gitlab-org/gitlab-ce!25660

Remove before_script from DAST vendored template

See merge request gitlab-org/gitlab-ce!26281

Remove before_script from DAST vendored template

Closes #10471

See merge request gitlab-org/gitlab-ee!10248

Link to the gitaly repository's Beginniner's Guide documentation

See merge request gitlab-org/gitlab-ce!25627

Fix styles and badge

See merge request gitlab-org/gitlab-ee!10264

Copyedit pipelines-related documentation

Closes #59006

See merge request gitlab-org/gitlab-ce!26198