chore(deps): update postgresql docker tag to v18

Chart.lock

@@ -1,7 +1,7 @@
 dependencies:
 - name: postgresql
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 16.7.27
+  version: 18.4.0
 - name: postgresql-ha
   repository: oci://registry-1.docker.io/bitnamicharts
   version: 16.3.2
@@ -10,6 +10,6 @@ dependencies:
   version: 3.0.24
 - name: valkey
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 5.3.0
-digest: sha256:93d480cf38a23c4b6218e1ff27c1ffa94fea46142247eaae4f17bed8746067a6
-generated: "2026-02-17T20:07:57.884599187Z"
+  version: 3.0.31
+digest: sha256:c0ea2a5c0036861afdee2eb60074a38b6dba657409811bd08c13b3882d01ce8c
+generated: "2026-02-18T02:07:36.57743125Z"

Chart.yaml

@@ -43,7 +43,7 @@ dependencies:
   # https://github.com/bitnami/charts/blob/main/bitnami/postgresql
   - name: postgresql
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 16.7.27
+    version: 18.4.0
     condition: postgresql.enabled
   # https://github.com/bitnami/charts/blob/main/bitnami/postgresql-ha/Chart.yaml
   - name: postgresql-ha
@@ -58,5 +58,5 @@ dependencies:
   # https://github.com/bitnami/charts/blob/main/bitnami/valkey/Chart.yaml
   - name: valkey
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 5.3.0
+    version: 3.0.31
     condition: valkey.enabled