Merge patch series "selftests/clone3: fix cap_checkpoint_restore test"

Eva Kurchatova <eva.kurchatova@virtuozzo.com> says:

This patchset fixes misuse of libcap library interface, and existing
compilation warnings due to unused variables.

* patches from https://patch.msgid.link/20260524163840.34247-1-eva.kurchatova@virtuozzo.com:
  selftests/clone3: remove unused variables
  selftests/clone3: fix libcap interface usage

Link: https://patch.msgid.link/20260524163840.34247-1-eva.kurchatova@virtuozzo.com
Signed-off-by: Christian Brauner <brauner@kernel.org>