Update action.yml

Author: jhanke00

action.yml

@@ -1,5 +1,9 @@
 name: DataDog Synthetics Action
 description: 'Run DataDog Synthetics with Configurations'
+author: OpenActions
+branding:
+  icon: 'activity'  
+  color: 'blue'
 inputs:
   apiKey:
     description: 'DataDog API Key'
@@ -60,4 +64,4 @@ runs:
         files: ${{ inputs.files }}
         publicIds: ${{ inputs.publicIds }}
         search: ${{ inputs.search }}
-        subdomain: ${{ inputs.subdomain }}
+        subdomain: ${{ inputs.subdomain }}