Part of the migration as tracked in: gitlab-org/gitaly#1026

Bump GitLab CI image to use git 2.16

See merge request gitlab-org/gitlab-ce!17440

Removed protected_tags webpack bundle

See merge request gitlab-org/gitlab-ce!17334

git 2.15.0 has some significant performance improvements when running `git
fetch` on a repository that has lots of references. See
https://gitlab.com/gitlab-com/migration/issues/216#note_60672987 for more
details.

Refactor pipelines show for webpack bundle tag removal

See merge request gitlab-org/gitlab-ce!17127

Remove webpack bundle tag for enviroments

See merge request gitlab-org/gitlab-ce!17371

# Conflicts:
#   config/webpack.config.js

Cleanup webpack config

See merge request gitlab-org/gitlab-ce!17410

# Conflicts:
#   config/webpack.config.js

Add Assignees vue component missing data container

See merge request gitlab-org/gitlab-ce!17426

Make sure wiki exists when it's enabled

See merge request gitlab-org/gitlab-ce!17117

Remove pipelines mini graph spec that wasn't actually testing anything

Closes #43636

See merge request gitlab-org/gitlab-ce!17428

Remove cycle analytics bundle webpack entry point

See merge request gitlab-org/gitlab-ce!17407

Set security harness hook to executable after creation

Closes #43709

See merge request gitlab-org/gitlab-ce!17425

Document new job variables: CI_RUNNER_{REVISION,VERSION,EXECUTABLE_ARCH}

See merge request gitlab-org/gitlab-ce!16834

Replace whitespace demonstrating line-breaks in GFM docs

See merge request gitlab-org/gitlab-ce!16135

Move the remaining EE-specific JS files to ee/

See merge request gitlab-org/gitlab-ce!17423

This was also causing crashes in Chrome V64, so it's best to remove it
for now.

Closes #43636

Change the wording to reduce confusion about whether you need to reconfigure or restart.

See merge request gitlab-org/gitlab-ce!15041

Fix for open-ended parameter's in lograge causing elastic memory issues

See merge request gitlab-org/gitlab-ce!17419

Docs: explain feature availability in GitLab.com

See merge request gitlab-org/gitlab-ce!17325

Re-enable the remaning Wiki Gitaly-Endpoints

See merge request gitlab-org/gitlab-ce!17422

PagesDomain: allow update of key/certificate

Closes #29720

See merge request gitlab-org/gitlab-ce!17376

Enable filtering MR list based on clicked label in MR sidebar

Closes #43643

See merge request gitlab-org/gitlab-ce!17390

Patch 29

See merge request gitlab-org/gitlab-ce!17421

Specify base controller for Doorkeeper

See merge request gitlab-org/gitlab-ce!17416

Resolve "Display IP Address Of Runner On Runner Page"

Closes #43489

See merge request gitlab-org/gitlab-ce!17286