Always return the deployment in the UpdateDeploymentService#execute method

Closes gitlab-ee#11124

See merge request gitlab-org/gitlab-ce!27322

Add information about moving migrations

See merge request gitlab-org/gitlab-ce!27159

Add to docs paragraph about a way of moving EE migrations to CE
if needed

Add frozen_string_literal to spec/services

See merge request gitlab-org/gitlab-ce!27267

Fix styling for `app/assets/stylesheets/framework/notes.scss`

Closes #59868

See merge request gitlab-org/gitlab-ce!26877

Fix styling for `app/assets/stylesheets/framework/notes.scss`

See merge request gitlab-org/gitlab-ee!10553

CE backport of Added Snowplow tracking to notes

Closes #57318

See merge request gitlab-org/gitlab-ce!25899

Bacport of Snowplow tracking for
- Reply comment button
- Start discussion and Comment buttons

Added Snowplow tracking to notes

Closes gitlab-ce#57318

See merge request gitlab-org/gitlab-ee!10104

- Tracking for reply comment button
- Tracking for start discussion and start comment buttons

Docs for pages inplace chroot limitation

See merge request gitlab-org/gitlab-ce!27250

Resolve "Merge Request popover doesn't go away on mouse leave"

Closes #60241

See merge request gitlab-org/gitlab-ce!27143

Use nested_group metadata for insights subgroup specs

Closes #11129

See merge request gitlab-org/gitlab-ee!10863

Remove slugify text utility

See merge request gitlab-org/gitlab-ce!27290

Replaces CSS with utility class

See merge request gitlab-org/gitlab-ce!27311

Resolve "Open issues from alerts as `GitLab Alert Bot`"

Closes #10159

See merge request gitlab-org/gitlab-ee!10460

Add a check to make sure eventListener is not added twice

Update capybara and selenium-webdriver

See merge request gitlab-org/gitlab-ce!27201

Fix typo in activity lease

See merge request gitlab-org/gitlab-ce!27288

**Why?**
This function was not being used and it's
documentation was out of date.

Extract EE code from project_cache_worker_spec.rb

See merge request gitlab-org/gitlab-ee!10785

Fix grouping wiki pages by directory

See merge request gitlab-org/gitlab-ce!27294

If a page has the same name as a directory
the WikiPage#group_by_directory method can have
a wrong behaviour

This commit fixes it

Refactor cluster application services

See merge request gitlab-org/gitlab-ce!27191

As this are un-expected errors which we should hear about from Sentry.

Still rescue StandardError when operating a Helm action as we can get
non Kubeclient errors such as SSL certificate or network errors