Upgrade to release 2.2.1:
- Fixed safety issues up to 2026-08-23.
- Development: Tolerate premature deletion of local release/start
branches.
- Docs: Migrated from our own support for generating summary tables
in the documentation to using autodocsumm to fix an import error
with Sphinx 9.
- Development: Added a GitHub Actions workflow named 'backport'
that creates a backport PR to the latest stable branch stable_M.N
when a PR labeled with the 'backport' label is merged.
- Development: Upgraded GitHub Actions plugins to versions that use
node.js 24.
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>
