chore(deps): update postgres-cluster docker tag to v7.6.0

clusters/cl01tl/helm/gitea/Chart.lock

@@ -13,7 +13,7 @@ dependencies:
   version: 2.3.0
 - name: postgres-cluster
   repository: oci://harbor.alexlebens.net/helm-charts
-  version: 7.5.1
+  version: 7.6.0
 - name: redis-replication
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 1.0.4
@@ -23,5 +23,5 @@ dependencies:
 - name: volsync-target
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 0.7.0
-digest: sha256:0b376cdddc09bf3346d7c9789452a0bfe6af630faf3b005e75426f5a3635ef1f
-generated: "2026-02-07T02:28:33.614969361Z"
+digest: sha256:ea21ed8ec7d03a5a49345eef3636c4cb6a647211e4952e9291047f92b9ed035e
+generated: "2026-02-13T19:38:46.206905532Z"