Merge pull request #16 from jannekem/node20

chore: upgrade to Node 20

Author: jannekem

action.yml

@@ -20,7 +20,7 @@ outputs:
   error:
     description: "A string of 'true' or 'false' that tells if there were errors, use in conjunction with the fail-on-error input"
 runs:
-  using: "node16"
+  using: "node20"
   main: "dist/index.js"
 branding:
   color: "purple"