chore(deps): update postgresql docker tag to v18

Author: renovate[bot]

charts/pact-broker/Chart.lock

@@ -1,9 +1,9 @@
 dependencies:
 - name: postgresql
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 16.7.24
+  version: 18.0.16
 - name: common
   repository: oci://registry-1.docker.io/bitnamicharts
   version: 2.31.4
-digest: sha256:682f1eaee08475822560e364fd7dc8e7240db0e60778e4f2237163cba9a4e10d
-generated: "2025-08-13T22:12:50.953543239Z"
+digest: sha256:fa4f6db9a47802d9ad95732ecd9e1ef9ad11d7cc3965dd7f9eb966bcd126493f
+generated: "2025-10-18T18:10:24.192782382Z"

charts/pact-broker/Chart.yaml

@@ -8,7 +8,7 @@ dependencies:
   - condition: postgresql.enabled
     name: postgresql
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 16.7.24
+    version: 18.0.16
   - name: common
     repository: oci://registry-1.docker.io/bitnamicharts
     tags: