chore(deps): update postgresql docker tag to v18.5.8

Author: renovate[bot]

ops/Helm/addons/observability/odd-platform/Chart.lock

@@ -4,6 +4,6 @@ dependencies:
   version: 0.1.10
 - name: postgresql
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 18.5.6
-digest: sha256:3042ee7089a94be889c8138f5360f2bca67514f08d035c27a39d652eb71c9f1f
-generated: "2026-03-11T11:53:10.553772561Z"
+  version: 18.5.8
+digest: sha256:20526c0e48ab5c952333103a5d6a3df85147086243c54676061db3353040ac3b
+generated: "2026-03-18T17:51:19.803377372Z"

ops/Helm/addons/observability/odd-platform/Chart.yaml

@@ -18,6 +18,6 @@ dependencies:
     repository: https://opendatadiscovery.github.io/charts
     condition: odd-platform.enabled
   - name: postgresql
-    version: 18.5.6
+    version: 18.5.8
     repository: oci://registry-1.docker.io/bitnamicharts
     condition: postgresql.enabled