[bitnami/cassandra] Unify values order inside image block (#19565)

Signed-off-by: Carlos Rodríguez Hernández <carlosrh@vmware.com>

bitnami/cassandra/Chart.yaml

@@ -32,4 +32,4 @@ maintainers:
 name: cassandra
 sources:
   - https://github.com/bitnami/charts/tree/main/bitnami/cassandra
-version: 10.5.3
+version: 10.5.4

bitnami/cassandra/values.yaml

@@ -683,10 +683,10 @@ metrics:
   ##
   image:
     registry: docker.io
-    pullPolicy: IfNotPresent
     repository: bitnami/cassandra-exporter
     tag: 2.3.8-debian-11-r394
     digest: ""
+    pullPolicy: IfNotPresent
     ## Optionally specify an array of imagePullSecrets.
     ## Secrets must be manually created in the namespace.
     ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/