Adds list_last_commits_for_tree as the method call for the Gitaly ListLastCommitsForTree RPC

Closes #37433

See merge request gitlab-org/gitlab-ce!21921

Keep IDE RightPane views alive

See merge request gitlab-org/gitlab-ce!21980

Fix link handling for issue cards.

Closes #48445

See merge request gitlab-org/gitlab-ce!21910

Implements list_last_commits_for_tree to communicate with the
ListLastCommitsForTree Gitaly RPC

Bumps the Gitaly server version

Bumps the Gitaly-Proto gem version

Update docs regarding frozen string

See merge request gitlab-org/gitlab-ce!22003

docs: clarify nothing special required for post-deployment migrations

See merge request gitlab-org/gitlab-ce!22000

Link to the tag from a version instead of commit

Closes gitlab-org/release/tasks#459

See merge request gitlab-org/gitlab-ce!22015

This will result in a 404 when running an unreleased security patch
while still allowing users to find the commit when it is made available.

Fix Error 500 when forking projects with Gravatar disabled

Closes #50254

See merge request gitlab-org/gitlab-ce!21985

Fix undefined format_options method in SchemaDumper for MySQL db

See merge request gitlab-org/gitlab-ce!21907

Skip creating auto devops jobs for sast, container_scanning, dast,…

See merge request gitlab-org/gitlab-ce!21959

Add notes about commits API to repository files documentation

See merge request gitlab-org/gitlab-ce!21876

Remove dropzonejs-rails (replaced by dropzone node module)

See merge request gitlab-org/gitlab-ce!17831

Fixed file templates not being fully fetched in Web IDE

Closes #51912

See merge request gitlab-org/gitlab-ce!21993

Resolve "Fill pipeline source for external pipelines"

Closes #51651

See merge request gitlab-org/gitlab-ce!21814

xref #47424.

Check frozen string in style builds

See merge request gitlab-org/gitlab-ce!21999

This also adds specs for 3 distinct situations:

2. When there is an unknown pipeline with just a build
3. When there is an unknown pipeline with no statuses
1. When there is an unknown pipeline with a build and a status

Docs: improve Pages overview (to deprecate feature page)

Closes #50507

See merge request gitlab-org/gitlab-ce!21798

**Why?**
- This is needed for the Web Terminal feature.
  https://gitlab.com/gitlab-org/gitlab-ee/issues/5426

**Notes:**
- Introduces a `pane` Vuex module.
- Some views should not be kept alive (i.e. job details).
  This is why a `keepAlive` flag was introduced for views.

# Conflicts:
#   Gemfile.lock

Closes #51912

[Docs] Document how to merge translations from Crowdin

See merge request gitlab-org/gitlab-ce!21924

Docs for Project/Groups members API with inherited members

Closes #51404

See merge request gitlab-org/gitlab-ce!21984

Add mysql_compatible_index_length to migration helpers

Closes #50253

See merge request gitlab-org/gitlab-ce!21852

Fix job_details.json schema

Closes #51927

See merge request gitlab-org/gitlab-ce!21983

closes https://gitlab.com/gitlab-org/gitlab-ce/issues/51927

When Gravatar is disabled, the "no avatar" is used, which failed
to revert to the colorful identity icons for namespaces.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/50254

Clarify subgroup permissions

See merge request gitlab-org/gitlab-ce!21769

Expains the differences between `api/projects/:id/members` and
`api/projects/:id/members/all` related to inherited members.