Introduce cache policies for CI jobs

Closes #33772

See merge request !12483

Resolve "Project option to allow customizing CI/CD config path"

Closes #32815 and #33130

See merge request !12509

Fix Rubocop offense

See merge request !12665

Synchronize changes in community translation of msgid

See merge request !12646

Add Italian translations of Commits Page

See merge request !12645

Add Bulgarian translations of Commits Page

See merge request !12411

Add Esperanto translations of Commits Page

See merge request !12410

Add Traditional Chinese in HongKong translations of Commits Page

See merge request !12406

Add Simplified Chinese translations of Commits Page

See merge request !12405

Resolve "Unable to disable all restricted visibility levels"

Closes #32408

See merge request !12649

Make filename and path creation compatible with UNIX in web UI

Closes #21362

See merge request !12608

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

* commit 'a8a4ca17':
  Remove IIFEs around several javascript classes
  Handles realtime with 2 states for environments table
  Revert "Merge branch '18000-remember-me-for-oauth-login' into 'master'"
  Disable Flipper memoizer in tests to avoid transient failures
  fix sidebar padding for full-width items (Time Tracking help)
  Replace 'snippets/snippets.feature' spinach with rspec
  32838 Add wells to admin dashboard overview to fix spacing problems

Allow developers to have custom rspec output settings

See merge request !12553

Disable RSpec/BeforeAfterAll and enable RSpec/ImplicitExpect cops

See merge request !12562

Create and use project path helpers that only need a project, no namespace

See merge request !12566

Remove IIFEs around several javascript classes

See merge request !12581

[ci skip]

Disable Flipper memoizer in tests to avoid transient failures

Closes #34278

See merge request !12656

Handles realtime with 2 states for environments table

See merge request !12634

Revert "Merge branch '18000-remember-me-for-oauth-login' into 'master'"

See merge request !12660

fix sidebar padding for full-width items (Time Tracking help)

Closes #34578

See merge request !12650

This reverts merge request !11963

Replace 'snippets/snippets.feature' spinach with rspec

See merge request !12385

32838 Add wells to admin dashboard overview to fix spacing problems

Closes #32838

See merge request !12467

Closes #34278

* upstream/master: (149 commits)
  Revert change to design. Go back to scrollable page
  Fixes the column widths for the new navigation options in settings
  Migrate #submodule_url_for to Gitaly
  Add test example for external commit status retries
  Fix invalid Rails.logger call in lib/gitlab/health_checks/fs_shards_check.rb
  Fix build for !12300.
  Log rescued exceptions to Sentry
  Fix issues with non-UTF8 filenames by always fixing the encoding of tree and blob paths
  Revert "Merge branch 'revert-12499' into 'master'"
  Prevent accidental deletion of protected MR source branch by repeating checks before actual deletion
  Improve the overall UX for the new monitoring dashboard
  Document that GitLab 9.3 requires the TRIGGER permission on MySQL
  Instrument Unicorn with Ruby exporter
  Remove group modal like remove project modal. Closes #33130
  Update prometheus client gem
  Enables the option in user preferences to turn on the new navigation
  Add Jasmine tests for `OAuthRememberMe`
  Simplify authentication logic in the v4 users API for !12445.
  Use stub_application_setting when testing ApplicationHelper#support_url
  wait_for_requests is not needed when AJAX is not in play
  ...

Fix API Scoping

Closes #33580 and #33022

See merge request !12300

Honor the "Remember me" parameter for OAuth-based login

Closes #18000

See merge request !11963