Fix comment typo in musl-symlink.sh #4285

Job	Run time
fmt	6s
clippy (macos-latest)	22s
check	19s
clippy (ubuntu-latest)	17s
generate-matrix	17s
clippy (windows-latest)	48s
test (macos-latest)	3m 16s
test (ubuntu-latest)	3m 13s
shellcheck	8s
test (windows-latest)	4m 45s
cargo-deny	17s
bisect	5m 46s
remote	4m 10s
foreign	5m 4s
target (${{ matrix.pretty }},${{ matrix.os }})	0s
docker-in-docker	6m 7s
podman	4m 12s
publish	0s
conclusion	1s
Coverage	2m 21s
	41m 29s

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