Check only a merge ability for protected actions

Closes #32618

See merge request !11648

Fix skipped manual actions issue in pipeline processing

Closes #30212

See merge request !11164

Retried in database

Closes #25737

See merge request !11115

User who is not allowed to trigger manual actions should not be
allowed to reprocess / retrigger / retry these actions.

* master: (314 commits)
  Better Explore Groups view
  Update Carrierwave and fog-core
  Add specs for Gitlab::RequestProfiler
  Add scripts/static-analysis to run all the static analysers in one go
  Shorten and improve some job names
  Group static-analysis jobs into a single job
  Don't blow up when email has no References header
  Update CHANGELOG.md for 9.1.2
  Add changelog
  Add changelog
  Show Raw button as Download for binary files
  Use blob viewers for snippets
  Fix typo
  Fixed transient failure related to dropdown animations
  Revert "Merge branch 'tc-no-todo-service-select' into 'master'"
  fix link to MR 10416
  Another change from .click -> .trigger('click') to make spec pass
  Change from .click -> .trigger('click') to make spec pass
  Disable AddColumnWithDefaultToLargeTable cop for pre-existing migrations
  Add AddColumnWithDefaultToLargeTable cop
  ...

Conflicts:
	spec/requests/api/jobs_spec.rb

Turn ExpirePipelineCacheService into Worker so it can fetch all the
merge requests for which the pipeline runs or did run against.

* master: (641 commits)
  Revert "Fix registry for projects with uppercases in path"
  Fix registry for projects with uppercases in path
  Move event icons into events_helper
  Reset New branch button when issue state changes
  Add link to environments on kubernetes.md
  Indent system notes on desktop screens
  Improve webpack-dev-server compatibility with non-localhost setups.
  Add changelog entry
  Fix recent searches icon alignment in Safari
  Use preload to avoid Rails using JOIN
  Fix NUMBER_OF_TRUNCATED_DIFF_LINES re-definition error
  Prepare for zero downtime migrations
  Fix filtered search input width for IE
  Fix the `gitlab:gitlab_shell:check` task
  Fixed random failures with Poll spec
  Include CONTRIBUTING.md file when importing .gitlab-ci.yml templates
  Let uses hide verbose output by default
  Separate examples for each other
  Collapse similar sibling scenarios
  Use empty_project for resources that are independent of the repo
  ...

Conflicts:
	app/views/projects/ci/builds/_build.html.haml

Add auto-cancel for pending pipelines on branch, if they are not HEAD

See merge request !9362