chore(deps): update postgres-cluster docker tag to v7.10.0 (#4758)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [postgres-cluster](https://github.com/cloudnative-pg/cloudnative-pg) | minor | `7.9.1` → `7.10.0` |

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Reviewed-on: #4758
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/argo-workflows/Chart.lock

@@ -7,6 +7,6 @@ dependencies:
   version: 2.4.20
 - name: postgres-cluster
   repository: oci://harbor.alexlebens.net/helm-charts
-  version: 7.9.1
-digest: sha256:31596af063744c13afac459184cd027d922d927f4191446eef63646bada28f8f
-generated: "2026-03-14T21:07:58.491981-05:00"
+  version: 7.10.0
+digest: sha256:8d1c2dd011a360d930ed5ff186462f163407077d36ae633898ec5d6ba30a4e8d
+generated: "2026-03-15T20:04:18.080966008Z"