* master: (67 commits)
  Add some API endpoints for time tracking.
  use destructuring syntax instead
  add changelog yml file
  correct User_agent placement in robots.txt
  Fixing typo
  Fix Project#update_repository_size to convert MB to Bytes properly
  Remove repository trait from factories that don't need it in features
  Add the `:repository` trait to `:project` factories in Cucumber steps
  Add a `:repository` trait to the `:empty_project` factory
  Update clipboard_button text: Copy commit SHA to clipboard
  Fix search bar filter dropdown scrollbars
  get rid of log
  fix UI behaviour - only make new calls when button is clicked and dropdown is not displayed
  better UI fix - simple solution
  Disable all cops in .rubocop_todo.yml
  fix spec
  refactored a bunch of stuff based on feedback
  fix serializer
  fix bug retrieving medians
  fix specs
  ...

Fix search bar filter dropdown scrollbars

Closes #26777

See merge request !8615

Fixes big pipeline and small pipeline width problems

Closes #26667

See merge request !8593

better UI fix - simple solution - pipelines#index mini_graph in Vue

See merge request !8614

correct User-agent placement in robots.txt

Closes #26807

See merge request !8623

Refactor cycle analytics stages (1st iteration)

See merge request !7647

Time tracking API

Closes #25861

See merge request !8483

Add a `:repository` trait to the `:empty_project` factory

See merge request !8605

New endpoints are:

POST :project_id/(issues|merge_requests)/(:issue_id|:merge_request_id)/time_estimate"

POST :project_id/(issues|merge_requests)/(:issue_id|:merge_request_id)/reset_time_estimate"

POST :project_id/(issues|merge_requests)/(:issue_id|:merge_request_id)/add_spent_time"

POST :project_id/(issues|merge_requests)/(:issue_id|:merge_request_id)/reset_spent_time"

GET  :project_id/(issues|merge_requests)/(:issue_id|:merge_request_id)/time_stats"

Resolve "Wrong file size on repository page"

Closes #26773

See merge request !8616

Correct documentation for `data_attribute` method

See merge request !8603

Backport timetracking to CE

See merge request !8195

Fixing typo

See merge request !8621

Fix Compare page throws 500 error when any branch/reference is not selected

Closes #25814

See merge request !8523

Copy commit SHA to clipboard

See merge request !8547

Right now this is a no-op. We're going to add it as a trait argument to
all existing usages of the `:project` factory, so that later we can flip
`:empty_project` to just be `:project`, forcing developers to opt-in to
the slower option when their tests truly require it.

Remove some useless require_relative statements

Closes #26756

See merge request !8609

Correctly keeps merge request tabs in place when editting value in

See merge request !8595

Disable all cops in .rubocop_todo.yml

See merge request !8610

Support `/merge` slash command for MRs

Closes #24915

See merge request !7746

Use cached values to compute total issues count in milestone index pages

See merge request !8518

Do not show artifacts keep button if not allowed

Closes #26357

See merge request !8501

Show 'too many changes' message for merge request

Closes #25017

See merge request !8444

Mark Commits as persisted

See merge request !8604