Bump gardener/cc-utils from 0.1.0 to 0.3.0

Bumps [gardener/cc-utils](https://github.com/gardener/cc-utils) from 0.1.0 to 0.3.0.
- [Release notes](https://github.com/gardener/cc-utils/releases)
- [Changelog](https://github.com/gardener/cc-utils/blob/master/doc/release_notes.rst)
- [Commits](gardener/cc-utils@8ec69f5...4d16c87)

---
updated-dependencies:
- dependency-name: gardener/cc-utils
  dependency-version: 0.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -155,7 +155,7 @@ jobs:
 
       - name: Authenticate to cluster
         id: kube_auth
-        uses: gardener/cc-utils/.github/actions/kubernetes-auth@8ec69f5cd2e1a2cae55709af1d9703a801893dfa # ocm/0.1.0
+        uses: gardener/cc-utils/.github/actions/kubernetes-auth@4d16c8763c70ff985ebff92766394e033ece9035 # ocm/0.3.0
         with:
           server: https://api.dev.gl-dev.shoot.canary.k8s-hana.ondemand.com
           server-ca-discovery-url: https://discovery.ingress.garden.canary.k8s.ondemand.com/projects/gl-dev/shoots/6a3efe36-1d56-4e07-83f6-36720207b51b/cluster-ca