Add trigger on deploy argument

Author: Sam Goldstein

Diff for: template.yaml

@@ -106,6 +106,7 @@ Resources:
     Type: Custom::TriggerDeployFrontEndOnDeploy
     Properties:
       ServiceToken: !GetAtt function9D4ED975.Arn
+      Trigger: !Ref StackeryDeploymentTimestamp
 Parameters:
   StackeryStackTagName:
     Type: String
@@ -118,4 +119,4 @@ Parameters:
     Description: Environment name used for API Gateway Stage names (injected by Stackery at deployment time)
 Metadata:
   StackeryErrorsTargets:
-    function8E6C5467: {}
+    function8E6C5467: {}