provisioning: only update dashboard if hash of json changed

devenv/dashboards/bulk-testing/bulkdash.jsonnet

@@ -1137,4 +1137,4 @@
   "title": "Big Dashboard",
   "uid": "000000003",
   "version": 16
-}
+}

devenv/setup.sh

@@ -5,10 +5,10 @@ bulkDashboard() {
     requiresJsonnet
 
     COUNTER=0
-    MAX=400
+    MAX=4
     while [  $COUNTER -lt $MAX ]; do
         jsonnet -o "dashboards/bulk-testing/dashboard${COUNTER}.json" -e "local bulkDash = import 'dashboards/bulk-testing/bulkdash.jsonnet'; bulkDash + {  uid: 'uid-${COUNTER}',  title: 'title-${COUNTER}' }"
-        let COUNTER=COUNTER+1 
+        let COUNTER=COUNTER+1
     done
 
     ln -s -f -r ./dashboards/bulk-testing/bulk-dashboards.yaml ../conf/provisioning/dashboards/custom.yaml
@@ -58,4 +58,4 @@ main() {
 	fi
 }
 
-main "$@"
+main "$@"