Use `helm upgrade --install` for local-flux chart

ansible/roles/local-flux/tasks/main.yml

@@ -66,7 +66,7 @@
   - name: Install local-flux helm chart
     tags:
       - flux
-    shell: helm install --namespace=oas --name=local-flux /var/lib/OpenAppStack/source/local-flux
+    shell: helm upgrade --install --namespace=oas local-flux /var/lib/OpenAppStack/source/local-flux
   
   vars:
     repo: "/var/lib/OpenAppStack/local-flux"