Bump node from v16 to v20

More info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Author: regexident

action.yml

@@ -18,5 +18,5 @@ outputs:
   use-runner:
     description: 'The runner to use, either the primary or the fallback runner, based on availability'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'