* master: (57 commits)
  Ensure we generate unique usernames otherwise validations fail
  Fix a Knapsack issue that would load support/capybara.rb before support/env.rb
  Ensure users have a short username otherwise a click event is triggered ...
  Enable the `bullet_logger` setting; enable `raise` in test environment
  Fix Rubocop offenses
  Set the right timeout for Gitlab::Shell#fetch_remote
  Refactoring Projects::ImportService
  Move methods that are not related to mirroring to the repository model
  Fix GitHub pull request formatter spec
  Rename skip_metrics to imported on the importable concern
  Add CHANGELOG
  Remove unused include from RepositoryImportWorker
  Skip MR metrics when importing projects from GitHub
  Fetch GitHub project as a mirror to get all refs at once
  Make file templates easy to use and discover
  Ensure user has a unique username otherwise `user10` would match `user1`
  Ensure the AbuseReport fixtures create unique reported users
  Don't use FFaker in factories, use sequences instead
  Fix brittle specs
  Fix the AbuseReport seeder
  ...

Conflicts:
	db/schema.rb

Backport API changes needed to fix sticking in EE

See merge request !10376

Ensure we generate unique usernames otherwise validations fail

See merge request !10436

Fix a Knapsack issue that would load support/capybara.rb before support/env.rb

See merge request !10430

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

Don't use FFaker in factories, use sequences instead

Closes #29643

See merge request !10184

Ensure users have a short username otherwise a click event is triggered outside the search field

Closes #29241

See merge request !10411

Quiet pipeline emails

Closes #24845

See merge request !10333

Once https://github.com/ArturT/knapsack/issues/57 is solved and released
in a new gem version, we can remove the KNAPSACK_TEST_DIR in
.gitlab-ci.yml.
Signed-off-by: NRémy Coutable <remy@rymai.me>

Enable the `bullet_logger` setting; enable `raise` in test environment

Closes #30129

See merge request !10263

Log errors in UpdatePagesService

See merge request !10335

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

Improve performance of GitHub importer

Closes #28183

See merge request !10273

Remove deprecated code from pipeline processing service

Closes #30052

See merge request !10266

Fix race condition in namespace directory creation

See merge request !10268

Add support for Gitaly calls over TCP connection

Closes gitaly#166

See merge request !10410