Fix in docker_inspect_self_mountinfo() fo Gitlab runner #4286

Job	Run time
cargo-deny	17s
check	18s
clippy (macos-latest)	22s
fmt	9s
clippy (ubuntu-latest)	17s
clippy (windows-latest)	46s
generate-matrix	13s
shellcheck	8s
test (macos-latest)	3m 25s
test (ubuntu-latest)	3m 14s
test (windows-latest)	4m 35s
bisect	5m 48s
remote	4m 7s
docker-in-docker	5m 59s
target (${{ matrix.pretty }},${{ matrix.os }})	0s
foreign	4m 42s
podman	4m 13s
publish	0s
conclusion	1s
Coverage	2m 22s
	40m 56s

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