chore(deps): update ghcr.io/cloudnative-pg/postgresql docker tag to v…

…14.10-15 (#135)

| datasource | package                           | from     | to       |
| ---------- | --------------------------------- | -------- | -------- |
| docker     | ghcr.io/cloudnative-pg/postgresql | 14.10-11 | 14.10-15 |

Co-authored-by: samip5-bot <118629685+samip5-bot[bot]@users.noreply.github.com>

kubernetes/apps/databases/cloudnative-pg/cluster/cluster.yaml

@@ -9,7 +9,7 @@ metadata:
     kyverno.io/ignore: "true"
 spec:
   instances: 1
-  imageName: ghcr.io/cloudnative-pg/postgresql:14.10-11
+  imageName: ghcr.io/cloudnative-pg/postgresql:14.10-15
   primaryUpdateStrategy: unsupervised
   storage:
     size: 5Gi