Checking PR #29955: stress-ng: update to 0.21.03 (Makefile Audit Profile)

Commit 91b090e - stress-ng: update to 0.21.03:

✅ PKG_VERSION bump matches context information inside subject line (0.21.03)
✅ File additions contain clean UNIX (LF) line termination
✅ All modified files contain a trailing newline

Package Release Audit:

✅ Package utils/stress-ng version updated to '0.21.03' and PKG_RELEASE correctly reset to 1