Merge branch 'stable-6.7'

* stable-6.7:
  Prepare 6.7.1-SNAPSHOT builds
  Switch back to wagon-ssh-external
  Fix generation of maven site
  JGit v6.7.0.202309050840-r
  Remove unused API problem filters
  [releng] Bump japicmp base version to 6.6.0.202305301015-r
  Fix list of 3rd party bundles in p2 repo
  Add missing source bundle org.osgi.service.cm.source to target platform
  Prepare 6.6.2-SNAPSHOT builds
  JGit v6.6.1.202309021850-r
  Checkout: better directory handling
  Document commit-graph options supported by JGit
  Fix warning raised for local variable hiding DfsPackFile#index
  Suppress boxing warnings in DfsPackFile
  Remove unused API problem filters
  Suppress boxing warnings in tests
  Fix warning about empty block
  Update mockito to 5.5.0
  Update byte-buddy to 1.14.7
  Prepare 6.7.0-SNAPSHOT builds
  JGit v6.7.0.202308301100-rc1

Change-Id: Ib2a1000ead5ca6cf3816e9e9496ad5d92f4dc963