Fix "Confidential comments" button not saving in project hooks

Closes #50440

See merge request gitlab-org/gitlab-ce!21289

Changes update_column to update_attributes in ProjectTreeRestorer#restore_project by using timeless to maintain the current timestamps

Closes #47765

See merge request gitlab-org/gitlab-ce!21242

Remove feature flag from BackgroundMigrationWorker

See merge request gitlab-org/gitlab-ce!21404

Fix git submodule link for subgroup projects with relative path

Closes #37356

See merge request gitlab-org/gitlab-ce!21154

Fixed IDE file row jumping into view on hover

Closes #50751

See merge request gitlab-org/gitlab-ce!21403

Resolve "Persistent banner creates problem for web ide"

Closes #46591

See merge request gitlab-org/gitlab-ce!21283

Increase padding in markdown code blocks

See merge request gitlab-org/gitlab-ce!21433

Merge branch '46673-qa-sanity-tests-fail-with-uninitialized-constant-qa-page-view-pathname-error' into 'master'

Resolve "qa sanity tests fail with 'uninitialized constant QA::Page::View::Pathname' error"

Closes #46673

See merge request gitlab-org/gitlab-ce!21437

Fix IDE avatar flex sizing style

See merge request gitlab-org/gitlab-ce!21443

Closes #50751

Reorganize issues and merge request feature specs in the same folder

See merge request gitlab-org/gitlab-ce!21435

Add initial Compliance doc based on features.yml Compliance features

See merge request gitlab-org/gitlab-ce!21267

Remove waiting from PDF page component test

See merge request gitlab-org/gitlab-ce!21365

Enabled multiple uploads in the Web IDE

Closes #50405

See merge request gitlab-org/gitlab-ce!21412

Show deprecation message on project milestone page for category tabs

Closes #47943

See merge request gitlab-org/gitlab-ce!21236

corrects microsoft_teams.md webhook url in docs

See merge request gitlab-org/gitlab-ce!21399

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

Upgrade LicenseFinder Gem to v5.4.0

See merge request gitlab-org/gitlab-ce!21431

Backport schema_changed.sh from EE which prints the diff if the schema is different

See merge request gitlab-org/gitlab-ce!21422

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

Backport doc/user/group/img/groups.png changes from EE

See merge request gitlab-org/gitlab-ce!21415

Add changelog entries for 11.2.3 and 11.1.6

See merge request gitlab-org/gitlab-ce!21425

Allow whitelisting for "external collaborator by default" setting

See merge request gitlab-org/gitlab-ce!17711

Fixed project logo when it is LFS tracked

Closes #47229

See merge request gitlab-org/gitlab-ce!20948

Resolve "Users stuck on a redirect loop after transferring project"

Closes #41292

See merge request gitlab-org/gitlab-ce!21408

Resolve "Make a Rubocop cop to prefer class_methods over ClassMethods for ActiveSupport::Concern"

Closes #50414

See merge request gitlab-org/gitlab-ce!21379

Updates hint text for merging branches locally.

Closes #39398

See merge request gitlab-org/gitlab-ce!21421

Fix Error 500s due to encoding issues when Wiki hooks fire

Closes #50590

See merge request gitlab-org/gitlab-ce!21414

- Hint essentially states that a user should first update their target branch
  with upstream changes and then perform the merge.

Fix Emojis cutting in the right way

Closes #47913

See merge request gitlab-org/gitlab-ce!21413