bump rvm

Author: andreiio

apps/rvm/service.yaml

@@ -11,7 +11,7 @@ spec:
         autoscaling.knative.dev/max-scale: "1"
     spec:
       containers:
-        - image: code4romania/rvm:1.2.5
+        - image: code4romania/rvm:1.2.6
           resources:
             requests:
               cpu: 10m