Merge branch 'master' into stable-6.4

* master:
  [pgm] Add options --name-only, --name-status to diff, log, show
  Update Orbit to R20221123021534 for 2022-12
  RBE: Update toolchain with bazel-toolchains 5.1.2 release
  SshTestGitServer: : ensure UploadPack is closed to fix resource leak
  UploadPackTest: ensure UploadPack is closed to fix resource leak
  [pgm] Ensure UploadPack is closed to fix resource leak
  UploadPackServlet#doPost use try-with-resource to ensure up is closed
  Fix warnings in PatchApplierTest
  Fix boxing warnings in TransportTest
  Silence warnings about unclosed BasePackPushConnection
  Fix warning about non-externalized String
  Remove unused imports
  Suppress non-externalized String warnings
  Remove unused API problem filters
  Silence API errors
  Silence API errors
  Silence API warnings
  Add 4.26 target platform
  Use "releases" repository for 4.25 target platform
  Update Apache Mina SSHD to 2.9.2
  Update Orbit to S20221118032057
  DfsBlockCache: Report IndexEventConsumer metrics for reverse indexes.
  DfsStreamKey: Replace ForReverseIndex to separate metrics.
  RawText.isBinary(): handle complete buffer correctly
  PackExt: Add a reverse index extension.

Change-Id: Ia41a2b0662bdb174e05a1adba6502191ef5ce4c5