cli: git colocation: fix check for non-main workspace #6812

Job	Run time
nix flake (ubuntu-24.04-arm)	7m 19s
build (no git)	1m 30s
nix flake (ubuntu-24.04)	7m 38s
check (protos)	2m 8s
nix flake (macos-14)	13m 9s
test (windows-x86_64)	16m 18s
check (doctests)	3m 1s
check (clippy)	1m 31s
check (Cargo.lock dependency count)	5s
check (mkdocs)	21s
test (windows-aarch64)	17m 1s
test (macos-aarch64)	6m 51s
test (macos-x86_64)	6m 31s
test (linux-aarch64-gnu)	5m 55s
test (linux-x86_64-gnu)	6m 9s
check (latest mkdocs, optional)	7m 32s
check (codespell)	12s
check (cargo-deny, bans)	27s
check (cargo-deny, advisories)	25s
check (zizmor)	37s
check (cargo-deny, sources)	32s
check (rustfmt)	21s
check (cargo-deny, licenses)	26s
required checks (merge queue)	0s
	1h 45m 59s

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