Merge branch 'master' into pipeline-hooks

* master: (145 commits)
  Add support for relative links starting with ./ or / to RelativeLinkFilter (!5586)
  Add failing tests for #19028
  Update installation guide for 8.11
  Update CHANGELOG for 8.10.3
  Catch what warden might throw when profiling requests to re-throw it
  webhooks: include old revision in MR update events
  Fix search results for notes without commits
  API methods should be documented using Grape's DSL
  Update CHANGELOG
  Fix RequestProfiler::Middleware error when code is reloaded in development
  Gitlab::Metrics.current_transaction needs to be public for RailsQueueDuration
  Fix specs
  Trim extra displayed carriage returns in diffs and files with CRLFs
  Avoid line_code and position calculation on line partial for plain view
  State specific default sort order for issuables
  refactored wait_for_archived_file method
  squashed - fixed label and milestone association problems, updated specs and refactored reader class a bit
  fix return value and spec
  squashed - fix timing issues in prod importing projects
  Minor fixes in the Env API endpoints
  ...