Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/27070

Deprecate "chat commands" in favor of "slash commands"

We looked for things like:

 - `slash commmand`
 - `slash_command`
 - `slash-command`
 - `SlashCommand`

Update /target_branch slash command description to be more consistent

See merge request !12175

Require rubocop-rspec in the correct location

See merge request !12174

Resolves the `codeclimate` CI failure

Fix autocomplete not working on note edit form

Closes #33529

See merge request !12106

Fixed pipelines Vue template not ending correctly

See merge request !12170

Move remove token of Select2 to the right

See merge request !12101

Add a custom RSpec/SingleLineHook cop

Closes #24891

See merge request !11911

This cop adds an offense when `before`, `after`, or `around` are used as
single-line blocks.

Fix fenced code block misalignment in events/activity

Closes #31263

See merge request !12149

Add codeclimate job to .gitlab-ci.yml

See merge request !12086

more visual contrast for active page in pagination widget

Closes #32470

See merge request !12119

Allow more customization to Help landing page

See merge request !11878

Implement diff viewers

Closes #30501 and #19931

See merge request !11777

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/33529

Bug introduced in
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/11278

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Backport EE changes to the Kubernetes service

Closes gitlab-ee#2525

See merge request !12139

Fix raw_path with the new job path, rename builds to jobs in test

Closes #33149

See merge request !11941

Raise etag route regex miss

Closes #33106

See merge request !12084

Move vue components to vue files and match docs

See merge request !12146

Fix Markdown in JIRA integration docs

See merge request !12160

Adds back whitespace for job's trace

Closes #33639

See merge request !12142

Backport empty panel heading from EE related issues

See merge request !12153

Backport issue count badge style refactor for re-use from EE related issues

See merge request !12152

Fix wrong link to codeclimate diff docs

See merge request !12158