Ensure rm uses -f when cleaning #11128

Job	Run time
test-integration (20.04, v1.6.36, ubuntu-20.04)	21m 35s
test-integration (22.04, v1.7.23, ubuntu-22.04)	23m 0s
test-integration-ipv6 (24.04, v1.7.23)	6m 21s
test-integration (24.04, v2.0.0-rc.5, ubuntu-24.04)	21m 33s
test-integration (24.04, v2.0.0-rc.5, github-arm64-2c-8gb)	27m 15s
test-integration-rootless (20.04, v1.6.36, v1.1.1, test-integration-rootless)	17m 50s
unit \| windows	2m 38s
test-integration-rootless (22.04, v1.7.23, v2.3.1, test-integration-rootless)	21m 2s
unit \| linux	57s
cross (1.22.x)	14s
test-integration-rootless (24.04, v2.0.0-rc.5, v2.3.1, test-integration-rootless)	19m 17s
cross (1.23.x)	35s
test-integration-rootless (24.04, v1.7.23, v2.3.1, test-integration-rootless-port-slirp4netns)	21m 59s
test-integration-docker-compatibility	15m 2s
FreeBSD	4m 50s
test-integration-windows	7m 51s
	3h 31m 59s

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