add a :iid param to the IssuableFinder

Closes #26379

See merge request !9222

Move frontend dev dependencies out of production dependency list.

See merge request !9319

Refactor boards sidebar spec

Closes #28310

See merge request !9330

Fix dependencies order in environments

Closes #28355

See merge request !9343

Fix errors in GFM slash commands matcher

See merge request !8975

see: https://docs.npmjs.com/misc/semver

Use http to fetch jQuery-ui dependency instead of ssh

Closes #28339

See merge request !9331

changed minor inconsistency in help text

See merge request !9333

Update gitlab_flow.md. Insert missing word on line 70.

See merge request !9334

Replace static fixture for project_title_spec.js

See merge request !9175

Document better the CE -> EE merge

See merge request !9313

Make pipeline retry take stages order into account

Closes #27431, #23710, and #26551

See merge request !9021

move task_list setup and events to own class

See merge request !9016

Increase right side of file header to accommodate browse files button

Closes #28236

See merge request !9321

Dispatch needed JS when creating a new MR in diff view

Closes #27920

See merge request !9238

Change development tanuki favicon colors to match logo color order

Closes #28303

See merge request !9329

Move dashboard issues spinach test to Rspec

See merge request !8955

Fix 'reset-email' link spec

Closes #26714

See merge request !9317

27605-research-proposal-template

Closes #27605

See merge request !9047

Paginate all the things

Closes #8099

See merge request !8606

* master: (313 commits)
  Allow slashes in slash command arguments
  Add API endpoint to get all milestone merge requests
  remove trailing comma
  Restore pagination to admin abuse reports
  replace deprecated NoErrorsPlugin with NoEmitOnErrorsPlugin
  only compress assets in production
  Reduce number of pipelines created to test pagination
  add CHANGELOG.md entry for !8761
  prevent diff unfolding link from appearing for deleted files
  fix build failures
  only show diff unfolding link if there are more lines to show
  fix typo in node section
  Only yield valid references in ReferenceFilter.references_in
  Cache js selectors; fix css
  move "Install node modules" step before "Migrate DB" within update process
  Renders pagination again for pipelines table
  update migration docs for 8.17 to include minimum node version
  Add CHANGELOG file
  Fix positioning of top scroll button
  Remove comments in migration
  ...

Remove legacy GitlabCi module from initializers

See merge request !9279

Fix pipeline retry and cancel buttons on pipeline details page

See merge request !9225

Adding links to user & build stage in a Build message

Closes #26500

See merge request !8641

Prefer service object over after_save hook

Closes #26921

See merge request !8664

Add API endpoint to get all milestone merge requests

Closes #22018

See merge request !9298

Allow slashes in slash command arguments

Closes #28329

See merge request !9327

Only yield valid references in ReferenceFilter.references_in

Closes #27648

See merge request !9318

Resolve "Update global sidebar to dropdown"

Closes #26200

See merge request !9199

See !8975