postgresql doesn't match keycloak version

Author: longshuicy

deployments/kubernetes/charts/clowder2/Chart.yaml

@@ -13,7 +13,7 @@ description: >
 # 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: 1.9.6
+version: 1.9.7
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

deployments/kubernetes/charts/clowder2/values.yaml

@@ -278,7 +278,7 @@ keycloak:
     image:
       registry: docker.io
       repository: bitnamilegacy/postgresql
-      tag: "16.4.0"
+      tag: "15.5.0"
     auth:
       username: keycloak
       password: password