Set allow_forks default to false (#289)

download-artifacts/action.yml

@@ -58,7 +58,7 @@ inputs:
   allow_forks:
     description: Allow forks
     required: false
-    default: true
+    default: false
   check_artifacts:
     description: Check workflow run whether it has an artifact
     required: false
@@ -78,7 +78,7 @@ inputs:
     required: false
     description: |
       Choose how to exit the action if no artifact is found
-      
+
       fail, warn or ignore
     default: fail
 outputs: