required to avoid no auth provider available

```
ERROR   controller-runtime.manager      Failed to get API Group-Resources       {"error": "no Auth Provider found for name \"gcp\""}
```

Signed-off-by: salaboy <[email protected]>

cmd/provider/main.go

@@ -19,7 +19,7 @@ package main
 import (
 	"os"
 	"path/filepath"
-
+	_ "k8s.io/client-go/plugin/pkg/client/auth"
 	"gopkg.in/alecthomas/kingpin.v2"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/log/zap"