Backport mr widget changes from EE

See merge request gitlab-org/gitlab-ce!20598

Merge branch '49021-preserve-test-run-artifacts-when-running-gitlab-qa-multiple-times' into 'master'

Resolve "Preserve test run artifacts when running gitlab-qa multiple times"

Closes #49021

See merge request gitlab-org/gitlab-ce!20495

Resolve "Improve performance of MR Changes tab: reduce event listeners on scroll event"

Closes #48639 and #48789

See merge request gitlab-org/gitlab-ce!20558

Resolve "QA: False failure on QA test "Push to protected branch when allowed" during staging failover rehearsal"

Closes #48241

See merge request gitlab-org/gitlab-ce!20561

[QA] Fix duplicate year in namespace name

See merge request gitlab-org/gitlab-ce!20581

Use Gitaly 0.111.1 in 11-1-stable

See merge request gitlab-org/gitlab-ce!20590

Fix MR widget border

See merge request gitlab-org/gitlab-ce!20562

Revert "Merge branch 'ee-5481-epic-todos' into 'master'"

See merge request gitlab-org/gitlab-ce!20560

Resolve "Toggle file comments in merge request does not update toggle buttons"

Closes #48237 and #48537

See merge request gitlab-org/gitlab-ce!20452

Mention admin privileges for k8s token creation

Closes #44457

See merge request gitlab-org/gitlab-ce!20517

Make sure ConflictsService does not raise for conflicting submodules

See merge request gitlab-org/gitlab-ce!20528

Fix ArgumentError in GitGarbageCollectWorker Sidekiq job

Closes #49096

See merge request gitlab-org/gitlab-ce!20541

Resolve "Use namespaped module for diffs"

Closes #48960

See merge request gitlab-org/gitlab-ce!20442

Resolve "Markdown help incorrect in how wiki pages are rendered"

Closes #48970

See merge request gitlab-org/gitlab-ce!20459

Resolve "MR Refactor: Improve performance by setting v-once"

Closes #48982

See merge request gitlab-org/gitlab-ce!20468

Resolve "MR refactor: All actions under diff module are being exported twice"

Closes #48951

See merge request gitlab-org/gitlab-ce!20499

Document update for GitLab Pages users.

See merge request gitlab-org/gitlab-ce!20412

Use the correct script location for the build trigger script

See merge request gitlab-org/gitlab-ce!20454

Revert "Merge branch 'fix-inconsistent-cancel-button' into 'master'"

See merge request gitlab-org/gitlab-ce!20525

Rename code climate to code quality

See merge request gitlab-org/gitlab-ce!20506

Add FileUploader.root to allowed upload paths

Closes gitlab-qa#291

See merge request gitlab-org/gitlab-ce!20472

Resolve "Installing Helm Tiller Failing"

Closes #48978

See merge request gitlab-org/gitlab-ce!20471

updates version for CI_JOB_URL and CI_PIPELINE_URL to 11.1

See merge request gitlab-org/gitlab-ce!20450

Add note about the k8s namespace of installed applications

See merge request gitlab-org/gitlab-ce!20423

Merge branch '48897-mr-refactor-parallel-and-diff-view-are-being-rendered-at-the-same-time' into 'master'

Resolve "MR refactor: parallel and diff view are being rendered at the same time"

Closes #48897

See merge request gitlab-org/gitlab-ce!20440

Resolve "Adding a diff line note freezes the browser"

Closes #48906

See merge request gitlab-org/gitlab-ce!20476

Update doc on new option to add README when creating a project

Closes #19468

See merge request gitlab-org/gitlab-ce!20438

Merge branch '49007-sast-fails-with-syntaxerror-in-scripts-frontend-prettier-js-return-outside-of-function-52-4' into 'master'

Remove return statements from prettier script

Closes #49007

See merge request gitlab-org/gitlab-ce!20488

Resolve "MR refactor: Performance costs of main element with `v-if`"

Closes #48898

See merge request gitlab-org/gitlab-ce!20463

[11.1.0] Update the dependencies license list

See merge request gitlab-org/gitlab-ce!20487

[11.1.0] Update .gitignore, .gitlab-ci.yml, and Dockerfile templates

See merge request gitlab-org/gitlab-ce!20486

Add basic export to fix timeout problem on import_file_spec.rb

See merge request gitlab-org/gitlab-ce!20469

Improve render performance of large wiki pages

See merge request gitlab-org/gitlab-ce!20465