Bump Sidekiq to 5.2.7

See merge request gitlab-org/gitlab-ce!27512

Resolve EE / CE diff of noteable_discussion

See merge request gitlab-org/gitlab-ce!27562

Resolve "Web IDE template dropdown showing duplicates"

Closes #58252

See merge request gitlab-org/gitlab-ce!27237

This reverts commit 2869a61f3b7aeb8b6d79c74332c93e32cec20caa.

Resolve "Web IDE uploading images shows base64 string"

Closes #59514

See merge request gitlab-org/gitlab-ce!27471

Make swipe view images line up

Closes #58850

See merge request gitlab-org/gitlab-ce!26969

If left without a width/height, swipeFrame goes off track when the image
isn't wide enough to fill the available width. The spaceLeft prevented
reaching the right edge of the image.

Bump Nokogiri to 1.10.3

See merge request gitlab-org/gitlab-ce!27560

Add doc cross links for large repositories

See merge request gitlab-org/gitlab-ce!27303

Remove unused code

See merge request gitlab-org/gitlab-ce!27557

Fixes minor bugs
(https://github.com/mperham/sidekiq/blob/master/Changes.md#526) and
keeps version used with gitlab-monitor consistent.

This pulls in a fix for libxslt that addresses CVE-2019-11068:
https://github.com/sparklemotion/nokogiri/releases

Resolve "Renaming an image via Web IDE corrupts it"

Closes #57293

See merge request gitlab-org/gitlab-ce!27486

This reverts commit e8c1c930c3bc7c159463ed3bed8765db01b40328.

Add Victor Wu as proofreader

See merge request gitlab-org/gitlab-ce!27527

Update GitLab Runner Helm Chart to 0.4.0/11.10.0

See merge request gitlab-org/gitlab-ce!27508

Docs: update feature name "Pipelines for Merged Results"

See merge request gitlab-org/gitlab-ce!27551

Document how to use GitLab.com only badges

See merge request gitlab-org/gitlab-ce!27546

Functionality added in
https://gitlab.com/gitlab-com/gitlab-docs/merge_requests/449

Docs: fixes grammar/typo

See merge request gitlab-org/gitlab-ce!27547

Improve performance of login test and remove comments

See merge request gitlab-org/gitlab-ce!27515

The comments were TODOs but there were no explanation of what
needed to be done.

Also, I think the expectation describes very well how it checks
that the user is logged in.

Finally, as Robert C. Martin said once:
"After you check in a TODO comment it turns into a DON'T DO"