fix depr. warning; use `Devise::Test::ControllerHelpers`

Closes #26942

See merge request !8812

Remove unused js response from refs controller

Closes #27211

See merge request !8828

Add caching of droplab ajax requests

Closes #26844

See merge request !8725

Revert filter-assigned-to-me

Closes #27176

See merge request !8785

fixed small mini pipeline graph line glitch

Closes #27277

See merge request !8804

Fix /explore sorting (trending)

Closes #27044

See merge request !8792

Prevent form to be submitted twice

Closes #27220

See merge request !8825

Fix filtered search so that labels selected from discussion notes display correctly

Closes #27124

See merge request !8756

Merge branch '27254-clicking-line-anchor-multiple-times-causes-scroll-position-to-over-correct' into 'master'

Resolve "Clicking line anchor multiple times causes scroll position to over-correct"

Closes #27254

See merge request !8791

Change repository storage paths location for clarity

See merge request !8757

Make sure TraceReader uses Encoding.default_external

Closes #27052

See merge request !8801

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/27044

Simplify wording in "adding an image" docs

See merge request !8819

Update repository check documentation

See merge request !8815

Fixed flexbox and wrap issues

See merge request !8745

Update two_factor_authentication.md

See merge request !8814

Added hint about the execution order of before_script and artifact restoration.

See merge request !8811

Add a system hook for when a project is updated.

See merge request !5711

make a note to highlight 2FA needs time sync'd

See merge request !8810

Remove "official merge window" from CONTRIBUTING.md [ci skip]

See merge request !8816

We should not discourage contributors from submitting merge requests
anytime they want. Our process for reviewing community contributions
no longer depends on the release schedule.

The documentation seemed to be out of date with
actual defaults in configuration and code. 

add an other ldap configuration example

See merge request !6773

I wanted to practice GFM markdown, so I picked this page more or
less at random. I flattened out the text a little. It's not as
interesting, but will be easier to translate. Use it if it looks
like an improvement. If not, at least I got some practice out of the deal!
Signed-off-by: NRémy Coutable <remy@rymai.me>

Added recommendation to install github-markdown

See merge request !8103

Gitlab from sources : proper utf8mb4 support for MySQL 5.5 to 5.7

See merge request !8508

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

Fix typo in examples

See merge request !8530

Update enviroments.md API docs

The example for deleting an environment is missing the "s" in environments

See merge request !8485

This sends a project_update hook when a repo is updated.  This does not include
renaming or transferring a project.  Those are covered by project_rename and
project_transfer.  This will get called, however, when the visibility is
changed.