Update odoo-demo-values.yaml

odoo-demo/odoo-demo-values.yaml

 replicaCount: 1
 containerPort: 8084
 image:
-  repository: ndiop/repo1
-  tag: "odoo-15.0"
+  repository: https://hub.docker.com/ndiop/repo1:odoo-15.0
+  #tag: "odoo-15.0"
   pullPolicy:  Always
 imagePullSecrets: 
 - name: dockersecret