Add prerelease input to action.yml

action.yml

@@ -32,7 +32,10 @@ inputs:
   verbose:
     description: 'Increase the verbosity level'
     default: 'false'
-  
+  prerelease:
+    description: 'Mark Release as Pre-Release'
+    default: 'false'
+
 runs:
   using: "composite"
   steps:
@@ -60,6 +63,8 @@ runs:
           TAG=${TAG##refs/tags/}
         fi
 
+        export PRERELEASE="${{ inputs.prerelease }}"
+
         export TOKEN="${{ inputs.token }}"
 
         export RELEASE_DIR="${{ inputs.release-dir }}"