Contributes to https://gitlab.com/gitlab-org/gitlab/-/issues/321862

**Problem**

`Marshal.dump` returns `TypeError (singleton can't be dumped)` for
commit hashes with long commit  messages.

**Solution**

Introduce a 1 KiB limit for commit message on project details page.

Add btn-default class for the settings toggle button

See merge request gitlab-org/gitlab!54764

Explain how to avoid duplicate pipelines

See merge request gitlab-org/gitlab!54054

Use workflow rules to completely block pipeline
duplication, with new CI variable

Upgrade gitlab-shell to v13.17.0

See merge request gitlab-org/gitlab!55295

v13.17.0

- Fix gitlab-shell panic when log file not writable
- Add monitoring endpoint to built-in SSH server

Move clojure example to source project

See merge request gitlab-org/gitlab!55269

Unquarantines performance bar e2e spec

See merge request gitlab-org/gitlab!55238

Fix status cache for upstream pipelines

See merge request gitlab-org/gitlab!54937

When status of downstream pipeline is updated, the upstream cache
is not updated.

In this commit;
- Removed "cachable?" check
- Moved from EE to CE and refactored upstream/downstream pipeline
cache expiration
- Implement calling ExpirePipelineCacheWorker from ExpireJobCacheWorker

Add metrics for builds queue polling done by runners

See merge request gitlab-org/gitlab!55270

Return early if user is nil in ee/lib/ee/gitlab/auth/saml/user.rb

See merge request gitlab-org/gitlab!50216

This reverts commit f68b0cdbcb9320009d2aba170952ec0873e9da8c.

This commit adds additional Prometheus metrics to make it more visible
how runners are processing builds queues and how we are exposing builds
to the runners.

Update general Chef .gitlab-ci.yml template

See merge request gitlab-org/gitlab!54676

[ENG] Show more info on hover of trial status in sidebar

See merge request gitlab-org/gitlab!51003

- Create separate popover Vue component
- Link the widget component and the popover component together so that
  the popover shows up on hover
- Add some explanatory text in the popover as well as a main CTA button
  and a secondary action button
- Add a linebreak to the widget title to accommodate the length of
  "Ultimate" vs. "Gold"

Fix PipelineController#index N+1

See merge request gitlab-org/gitlab!55053

Move iteration #timebox_date_range spec to ee RUN AS-IF-FOSS

See merge request gitlab-org/gitlab!55248

Resolve "Migrate lfs_object_registry to use Geo::ReplicableRegistry"

See merge request gitlab-org/gitlab!52636

* In order to migrate LFS replication to use the Geo self service
  framework, we need to migrate to use Geo::ReplicableRegistry. These
migrations will put the lfs_object_registry table in the appropriate
format for migrating to the new registry.

https://gitlab.com/gitlab-org/gitlab/-/merge_requests/52636

Removed multiple package registry links

See merge request gitlab-org/gitlab!55247

More edits to the intro text

See merge request gitlab-org/gitlab!54871

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/300312

Revert explore projects default sort to last updated

See merge request gitlab-org/gitlab!54879

Fix Auto DevOps deploys that use a default branch that's not `master`

See merge request gitlab-org/gitlab!53280

Relates to https://gitlab.com/gitlab-org/gitlab-foss/-/issues/79666

Only prepend Marginalia comments in production mode

See merge request gitlab-org/gitlab!55242

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/300312

Reuse Project#jira_issues_integration_available method

See merge request gitlab-org/gitlab!55070

Prepending the comment prevents color coding from working in the
development log.

Remove invalid design management version factory trait

See merge request gitlab-org/gitlab!55163

Update dependency core-js to ^3.9.0

See merge request gitlab-org/gitlab!55109

Ignore prerelease tags when generating changelogs, and add some changelog API examples

See merge request gitlab-org/gitlab!55065

Fix(oncallschedules): update rotation form submission validation

See merge request gitlab-org/gitlab!55045