chore(deps): pin docker.io/library/redis docker tag to 0a0558e (#4)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [docker.io/library/redis](https://hub.docker.com/_/redis) ([source](https://github.com/redis/docker-library-redis)) | pinDigest |  → `0a0558e` |

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Reviewed-on: #4
Reviewed-by: t.behrendt <t.behrendt@noreply.localhost>
Co-authored-by: Renovate Bot <renovate@t00n.de>
Co-committed-by: Renovate Bot <renovate@t00n.de>

k8s/31_deployment_broker.yaml

@@ -17,7 +17,7 @@ spec:
         kubernetes.io/hostname: k3sh0
       containers:
         - name: redis
-          image: docker.io/library/redis:7
+          image: docker.io/library/redis:7@sha256:0a0558e3113e98807c863440c8ccbdeac25d5b946f322043b293882e35ebf524
           volumeMounts:
             - name: data
               mountPath: /data