chores: use book-open icon for branding

UcheSylvester · UcheSylvester · commit 70ca92bca0b6 · 2023-11-07T19:26:42.000+01:00
diff --git a/action.yml b/action.yml
@@ -16,5 +16,5 @@ runs:
   main: 'dist/index.js'
 
 branding:
-  icon: 'bookmark'
+  icon: 'book-open'
   color: 'green'
