Migrate restoring repo from bundle to Gitaly

Closes gitaly#946

See merge request gitlab-org/gitlab-ce!16623

Resolve "`only: - tags` is not taken in account in the `cache gems` job"

Closes #34952

See merge request gitlab-org/gitlab-ce!16721

Move user page spinach tests to RSpec

See merge request gitlab-org/gitlab-ce!16598

Cache rubocop cache for CI

Closes #42338

See merge request gitlab-org/gitlab-ce!16700

Disable throwOnError in KaTeX to reveal user where is the problem

See merge request gitlab-org/gitlab-ce!16684

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

Add a lint check to restrict use of Rugged

See merge request gitlab-org/gitlab-ce!16656

Handling special characters in Issuable Templates

Closes #40028

See merge request gitlab-org/gitlab-ce!15323

Make Gitlab::Git::Repository#run_git private

See merge request gitlab-org/gitlab-ce!16622

Improve empty project overview

See merge request gitlab-org/gitlab-ce!16617

Update secret_values to support dynamic elements within parent

See merge request gitlab-org/gitlab-ce!16665

Resolve "Re-enable the `RSpec/SingleLineHook` cop"

Closes #42385

See merge request gitlab-org/gitlab-ce!16704

Open links in a new tab on the user page

See merge request gitlab-org/gitlab-ce!16705

Fix .batch_lfs_pointers accepting a lazy enumerator

See merge request gitlab-org/gitlab-ce!16701

- Add section headers to project repo buttons
- Add primary button to content to add file when the repository is empty
- Change project removal primary button from project overview to secondary button
- Update headings for better alignment
- Add primary button for readme only user preference

Make Gitaly RepositoryExists opt-out

See merge request gitlab-org/gitlab-ce!16680

Look at system notes created just before merge as well as after, when deciding if an MR can be reverted

Closes #42377

See merge request gitlab-org/gitlab-ce!16678

Add note within ux documentation that further changes should be made within the…

See merge request gitlab-org/gitlab-ce!16686

Default to HTTPS for all Gravatar URLs

See merge request gitlab-org/gitlab-ce!16666

Generate ssh key on the fly for QA

See merge request gitlab-org/gitlab-ce!16562

Moves status icon into a vue file and adds tests

See merge request gitlab-org/gitlab-ce!16703

Add modal for deleting a milestone

Closes #41314

See merge request gitlab-org/gitlab-ce!16229

Revert "Merge branch 'osw-updates-merge-status-on-api-actions' into 'master'"

See merge request gitlab-org/gitlab-ce!16707

On MySQL, at least, `Note#created_at` doesn't seem to store fractional seconds,
while `MergeRequest::Metrics#merged_at` does. This breaks the optimization
assumption that we only need to search for notes created *after* the MR has
been merged.

Unsynchronized system clocks also make this a dangerous assumption to make.

Adding a minute of leeway still optimizes away most notes, but allows both
cases to be handled more gracefully. If the system clocks are more than a
minute out, we'll still be broken, of course.

Revert "Merge branch 'remove-rugged-walk' into 'master'"

See merge request gitlab-org/gitlab-ce!16676

This reverts merge request !16626

Can parse root .gitattributes file for a ref

See merge request gitlab-org/gitlab-ce!16418

Resolve "generalise not found status icon color throughout application"

Closes #42285

See merge request gitlab-org/gitlab-ce!16679

Resolve "Add empty state for pending job"

Closes #42220

See merge request gitlab-org/gitlab-ce!16646

* master: (30 commits)
  Resolve "Link to Clusters in Auto DevOps instead of Kubernetes service"
  Update CHANGELOG.md for 10.4.1
  Add a gRPC health check to ensure Gitaly is up
  Add formatted_data attribute to Git::WikiPage
  Avoid array indices to fixtures in JS specs
  Migrate .batch_lfs_pointers to Gitaly
  Updates `Revert this merge request` text
  Work around a bug in DatabaseCleaner when using the deletion strategy on MySQL
  Use the DatabaseCleaner 'deletion' strategy instead of 'truncation'
  Workaround a recaptcha pop-up that cannot be tested
  Moves more mr widget components into vue files Adds i18n Adds better test coverage
  Execute system hooks after-commit when executing project hooks
  Remove one Spinach job and add one RSpec job
  Migrate repository bundling to Gitaly
  Use limit for search count queries
  Fix offense in runners settings QA page object class
  Wait for runner until it registers itself in QA tests
  Fix static-analysis offenses in QA support class
  Add specific views / selectors for QA runners page
  Add views / selectors for pipeline show page object
  ...

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

This reverts merge request !16525