chore(deps): update helm release cloudnative-pg to v0.28.3 (#4268)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

cluster/homelab/core/cnpg/helm-release.yaml

@@ -11,7 +11,7 @@ spec:
   chart:
     spec:
       chart: cloudnative-pg
-      version: 0.28.2
+      version: 0.28.3
       interval: 1h
       sourceRef:
         kind: HelmRepository