Contributes to https://gitlab.com/gitlab-org/gitlab/-/issues/259693

**Problem**

We currently hide both the fork button and the fork count on
project's page when the user cannot fork the project. It is not
aligned with other pages where the user can see the fork count number.

**Solution**

* Mark fork button as disabled
* Show tooltip with an explanation

Changelog: changed

Move and update Database Load Balancing docs

See merge request gitlab-org/gitlab!74602

Add retries to github importer on client errors

See merge request gitlab-org/gitlab!74966

Add crosslink to openshift doc

See merge request gitlab-org/gitlab!73454

ci: Bump the charts version used for Review Apps to 5.5.0

See merge request gitlab-org/gitlab!75016

Remove support for sticking to old and new keys

See merge request gitlab-org/gitlab!74784

Merge branch '346365-rename-task-runner-to-toolbox-for-doc-development-testing_guide-review_apps-md' into 'master'

doc: Replace mentions of 'task-runner' with 'toolbox'

See merge request gitlab-org/gitlab!75116

Finish up pending spec for published experiments

See merge request gitlab-org/gitlab!73894

Merge branch '230762-tabs-haml-migrate-app-views-snippets-_snippets_scope_menu-html-haml-to-gltabs-2' into 'master'

Migrate snippets_scope_menu tabs to rails helper

See merge request gitlab-org/gitlab!74867

Unmask scope and state in url masking

See merge request gitlab-org/gitlab!74973

Add URL to rejection_message if terms_not_accepted

See merge request gitlab-org/gitlab!75082

Fix time_frame for awarding_epic_emoji_weekly metric

See merge request gitlab-org/gitlab!75037

Signed-off-by: Rémy Coutable <remy@rymai.me>

Refresh steps to add issue to iteration

See merge request gitlab-org/gitlab!75038

Am add service ping config e2e test

See merge request gitlab-org/gitlab!73358

Add and use gl_badge_tag helper in runner settings

See merge request gitlab-org/gitlab!73858

Allow instantiating SidekiqExporter with settings

See merge request gitlab-org/gitlab!74875

Update approval rules page objects

See merge request gitlab-org/gitlab!74969

Resolve "Create a new Feature"

See merge request gitlab-org/gitlab!73275

Added mocked schema and frontend implementation for work item creation

Add more merging messages from the community

See merge request gitlab-org/gitlab!74720

The messages were inspired by
community suggestions in this Twitter
thread: https://twitter.com/PedroMScom/status/1438895998256959488

Changelog: changed

Add IntersectionObserver utilities

See merge request gitlab-org/gitlab!75067

Use GitLab fork of LicenseFinder and update version to 6.14.2.1

See merge request gitlab-org/gitlab!74881

Fixes OpenStruct use in epics_resolvers_spec

See merge request gitlab-org/gitlab!74976

doc: Fix usage example for `GET /projects/:id/repository/changelog`

See merge request gitlab-org/gitlab!75089

Fix inconsistencies in feature flag examples

See merge request gitlab-org/gitlab!75043

Fixes diff file tree list not be resizable

See merge request gitlab-org/gitlab!74914

Revise UI text line about merge dependencies

See merge request gitlab-org/gitlab!74940

Revert "Merge branch '288337-dast-site-profile-mocks' into 'master'"

See merge request gitlab-org/gitlab!75094

This reverts merge request !74111

Move unit/integration test setup to shared module

See merge request gitlab-org/gitlab!74432

This change improves the OAuth2 error for when users have not accepted
the Terms of Use by providing users with a URL to the gitlab instance
they should sign into in order to accept the Terms of Use.

Changelog: changed

Delete upstream_project_subscriptions outside of project transaction

See merge request gitlab-org/gitlab!75065

Update metrics defintion with introduced_by_url

See merge request gitlab-org/gitlab!75018