update(imageTag): Update the image tag to latest for experiment image (#537)

Signed-off-by: uditgaurav <udit@chaosnative.com>

charts/generic/pod-io-stress/experiment.yaml

@@ -59,7 +59,7 @@ spec:
       - apiGroups: ["litmuschaos.io"]
         resources: ["chaosengines","chaosexperiments","chaosresults"]
         verbs: ["create","list","get","patch","update","delete"]
-    image: "litmuschaos/go-runner:ci"
+    image: "litmuschaos/go-runner:latest"
     imagePullPolicy: Always
     args:
     - -c
@@ -111,7 +111,7 @@ spec:
 
       # provide lib image
       - name: LIB_IMAGE
-        value: 'litmuschaos/go-runner:ci'
+        value: 'litmuschaos/go-runner:latest'
 
       ## provide the cluster runtime
       - name: CONTAINER_RUNTIME