feat(deps): update helm release postgresql-ha to v14 (#386)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [postgresql-ha](https://github.com/bitnami/charts) ([source](https://github.com/bitnami/charts/tree/HEAD/bitnami/postgresql-ha)) | major | `13.6.1` -> `14.0.0` |

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Reviewed-on: https://codeberg.org/forgejo-contrib/forgejo-helm/pulls/386
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Co-committed-by: Renovate Bot <bot@kriese.eu>

Chart.yaml

@@ -34,7 +34,7 @@ dependencies:
   # https://github.com/bitnami/charts/blob/main/bitnami/postgresql-ha/Chart.yaml
   - name: postgresql-ha
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 13.6.1
+    version: 14.0.0
     condition: postgresql-ha.enabled
   # https://github.com/bitnami/charts/blob/main/bitnami/redis-cluster/Chart.yaml
   - name: redis-cluster