* master: (40 commits)
  Add changelog
  Update quick_start_guide.md
  Resolve "Opening Project with invite but without accepting leads to 404 error page"
  Respect the inheritance chain between Ci::Build and CommitStatus
  Remove unneccessary imports
  fixed copy to cliboard button in embedded snippets
  Fix Error 500 viewing admin page due to statement timeouts
  Grant privileges after database is created
  Only setup db in the first checkout!
  Project Sidebar: Split CI/CD into CI/CD and Operations
  Fix GPM content types for Doorkeeper
  Workhorse to send raw diff and patch for commits
  Refactor out duplication in runner_policy.rb
  Remove unnecessary runner.is_shared? checks in api because they are handled by policy
  Allow admin to assign shared runner to project through API
  Change policy list_runner_jobs -> read_runner
  Rename User#ci_authorized_runners -> ci_owned_runners
  Improve efficiency of authorized_runner policy query
  Use can? policies for lib/api/runners.rb
  Allow group runners to be viewed/edited in API
  ...

Resolve "NoMethodError: undefined method `present' for #<GenericCommitStatus:0x00007f6eacf34a40>"

Closes #46177

See merge request gitlab-org/gitlab-ce!18979

Merge branch 'docs/46042-document-that-project-templates-can-be-used-with-auto-devops' into 'master'

Resolve "Document that Project Templates can be used with Auto DevOps"

Closes #46042

See merge request gitlab-org/gitlab-ce!19009

Resolve "Opening Project with invite but without accepting leads to 404 error page"

Closes #42531

See merge request gitlab-org/gitlab-ce!17634

CE: Add jobs to verify that migrating from CE to EE works

See merge request gitlab-org/gitlab-ce!18909

Workhorse to send raw diff and patch for commits

Closes gitaly#1196

See merge request gitlab-org/gitlab-ce!18974

Remove unneccessary imports

See merge request gitlab-org/gitlab-ce!18993

Add dot to separate system notes content

Closes #45676

See merge request gitlab-org/gitlab-ce!18864

Also moves the assertions were they belong

Delete remote uploads

Closes #45425

See merge request gitlab-org/gitlab-ce!18698

API support + Improved policies for group runners

Closes #45894 and #38979

See merge request gitlab-org/gitlab-ce!18851

Fix contributors graph width

Closes #22647

See merge request gitlab-org/gitlab-ce!18639

Fix Error 500 viewing admin page due to statement timeouts

Closes #46255

See merge request gitlab-org/gitlab-ce!18982

fixed copy to cliboard button in embedded snippets

Closes #46303

See merge request gitlab-org/gitlab-ce!18923

Adjust board lists header text color

Closes #36983

See merge request gitlab-org/gitlab-ce!18955

Uses PostgreSQL tuple estimates to provide a much faster yet approximate
count. See https://wiki.postgresql.org/wiki/Slow_Counting for more details.
We only use this fast method if the table has been analyzed or vacuumed
within the last hour.

Closes #46255

Remove table-section from div holding cluster error messages

See merge request gitlab-org/gitlab-ce!18971

edit GitLab license info in regards to CC licensing

See merge request gitlab-org/gitlab-ce!18981

Never drop the database when granting privileges

Move discussion and notes actions to the right

Closes #33645

See merge request gitlab-org/gitlab-ce!18476

Fix GitLab Performance Monitoring content types for Doorkeeper

Closes #46412

See merge request gitlab-org/gitlab-ce!18984

Project Sidebar: Split CI/CD into CI/CD and Operations

Closes #43673

See merge request gitlab-org/gitlab-ce!18941

Move Gitlab::Git::Repository#add_branch to mandatory

Closes gitaly#540

See merge request gitlab-org/gitlab-ce!18939

Certain controllers (e.g. Doorkeeper::TokensController) don't expose the
method "request_format". This commit changes
Gitlab::Metrics::WebTransaction so we don't rely on this method, instead
using the underlying code this method uses.

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/46412

* master: (31 commits)
  Remove docker pull prefix from registry clipboard feature
  Document the 3h timeout for GitLab.com shared Runners
  Fix bug with long strings in issue boards
  Fix setting Gitlab metrics content types
  Add documentation for bulk editing of issues and merge requests
  Remove authentication for readonly endpoints in issues API
  Improve testing best practices guidelines
  Add a unique and not null constraint on the project_features.project_id column
  fix typos Frontend Guide, development_process.md
  Add index on runner_type for ci_runners
  Update docs describing `fast_spec_helper` best practices
  Display help text below auto devops domain with nip.io domain name (#45561)
  Add CHANGELOG
  Does not log failed sign-in attempts when database is in read-only mode
  Simplified priority, performance impact should be severity
  Ref contains oid check done by Gitaly
  code example formatting
  more typos
  typo in `endpoint`
  clarify that the function export should be default
  ...

Remove docker pull prefix from registry clipboard feature

Closes #46314 and #45968

See merge request gitlab-org/gitlab-ce!18933

Prior to this change, this was done through unicorn. In theory this
could time out. Workhorse has been sending these raw patches and diffs
for a long time and is stable in doing so.

Added bonus is the fact that `Commit#to_patch` can be removed.

`Commit#to_diff` too, which closes
https://gitlab.com/gitlab-org/gitaly/issues/324

Closes https://gitlab.com/gitlab-org/gitaly/issues/1196