rsync: update to 3.5.0 - #30274

Checking PR #30274: rsync: update to 3.5.0 (Formalities Audit)

✅ Pull request originates from a dedicated feature branch (rsync)

Commit fecaf31 - rsync: update to 3.5.0:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "rsync: update to 3.5.0"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.