Disable "empty repository" Git test

This is required because the test fails with Git >v2.41.0 due to
changes to commands used by the Git test server. Causing the server to
return an error when cloning an empty repository, instead of yielding
an empty object.

Signed-off-by: Hidde Beydals <hidde@hhh.computer>

internal/controller/gitrepository_controller_test.go

@@ -219,6 +219,11 @@ func TestGitRepositoryReconciler_Reconcile(t *testing.T) {
 	testSuspendedObjectDeleteWithArtifact(ctx, g, obj)
 }
 
+// TODO(hidde): Re-enable this test.
+//  It is currently disabled because it fails on machines with Git version
+//  >=v2.41.0 due to changes to commands used by the test server. Causing
+//  the test server to return an error when cloning an empty repository,
+//  instead of yielding an empty object.
 //func TestGitRepositoryReconciler_reconcileSource_emptyRepository(t *testing.T) {
 //	g := NewWithT(t)
 //