[ci] flaky test: not ok 306 update per-device iops/bps values

[lifubang]

https://github.com/opencontainers/runc/actions/runs/15790324321/job/44514892722?pr=4661

test (ubuntu-24.04, 1.24.x, rootless)
integration test (fs driver)
failed to write "259:0 rbps=485760": write /sys/fs/cgroup/runc-cgroups-integration-test/test-cgroup-235/io.max: no such device

not ok 306 update per-device iops/bps values
# (in test file tests/integration/update.bats, line 917)
#   `[ "$status" -eq 0 ]' failed
# runc spec --rootless (status=0):
#
# runc run -d --console-socket /tmp/bats-run-lYQmbu/runc.0Z4qXn/tty/sock test_update (status=1):
# time="2025-06-21T00:56:28Z" level=error msg="runc run failed: unable to start container process: error during container init: error setting cgroup config for procHooks process: failed to write \"259:0 rbps=485760\": write /sys/fs/cgroup/runc-cgroups-integration-test/test-cgroup-235/io.max: no such device"
# --- teardown ---
# rmdir: failed to remove '/sys/fs/cgroup//runc-cgroups-integration-test': Permission denied

[lifubang]

Flaky again: https://github.com/opencontainers/runc/actions/runs/16217632793/job/45790594741?pr=4803

test (ubuntu-24.04, 1.24.x, -race)

not ok 306 update per-device iops/bps values
# (in test file tests/integration/update.bats, line 917)
#   `[ "$status" -eq 0 ]' failed
# runc spec (status=0):
#
# runc run -d --console-socket /tmp/bats-run-o6XkKJ/runc.Vi0xTz/tty/sock test_update (status=1):
# time="2025-07-11T10:23:05Z" level=error msg="runc run failed: unable to start container process: error during container init: error setting cgroup config for procHooks process: failed to write \"259:0 rbps=485760\": write /sys/fs/cgroup/runc-cgroups-integration-test/test-cgroup-18124/io.max: no such device"
# --- teardown ---

It seems that this error has occurred frequently, especially in #4803.
@kolyshkin Could you give some suggestion for this issue?

[lifubang]

Fixed by #4807