Ignore VPA rbac file generated from local e2e installation

Signed-off-by: Max Cao <[email protected]>

Author: maxcao13

vertical-pod-autoscaler/.gitignore

@@ -1,3 +1,5 @@
 # vendor directories
 vendor/
 e2e/vendor/
+# created from deploy-for-e2e-locally.sh
+hack/e2e/vpa-rbac.yaml