Merge pull request #7356 from jsturtevant/gmsa-webhook-v0.9.0-image-promotion

Image promotion for gmsa-webhook v0.9.0

Author: k8s-ci-robot

registry.k8s.io/images/k8s-staging-gmsa-webhook/images.yaml

@@ -5,3 +5,4 @@
     "sha256:f04b2b0746fc50194232f8764bbc0e025d7904f4799f6034d56009746649ed3c": ["v0.6.1"]
     "sha256:923eb090493e61e52a120e8e946aec59f3a5b0ec1e59abc9318c066d37b41185": ["v0.7.0"]
     "sha256:57f8b80d1064463cda2b9a57b61e9d952ff25e62d3aa006e148085b636cc3d68": ["v0.8.0"]
+    "sha256:f5b04ff00727945105d87c444d427b450494044d2284eef506156a2616eeac2f": ["v0.9.0"]