fixup: install crane

Signed-off-by: Matej Vasek <[email protected]>

hack/setup-testing-images.sh

@@ -11,6 +11,7 @@ ko build --tags "latest" -B ./cmd/func
 
 # Build custom buildah image for tests.
 # This image will accept registries ending with .cluster.local as insecure (non-TLS).
+go install github.com/google/go-containerregistry/cmd/crane@latest
 crane append --base=quay.io/buildah/stable:v1.31.0 \
              --new_layer="$(dirname "$0")/allow-insecure.tar" \
              --new_tag=quay.io/buildah/stable:v1.31.0 \