Update postgresql Docker tag to v16.4.6

charts/pixelfed/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.19.1
+version: 0.19.2
 
 # This is the version number of the application being deployed.
 # renovate:image=ghcr.io/mattlqx/docker-pixelfed
@@ -28,7 +28,7 @@ maintainers:
 
 dependencies:
   - name: postgresql
-    version: 16.4.5
+    version: 16.4.6
     repository: oci://registry-1.docker.io/bitnamicharts
     condition: postgresql.enabled