Fix Node.js version in action.yml

It looks like the Node.js version specified in action.yml was left behind
when we upgraded the project to Node.js 24. This commit updates action.yml
to reflect the correct Node.js version.

action.yml

@@ -25,7 +25,7 @@ outputs:
   cache-hit:
     description: 'A boolean value to indicate if a cache was hit'
 runs:
-  using: 'node20'
+  using: 'node24'
   main: 'dist/setup/index.js'
   post: 'dist/cache-save/index.js'
   post-if: success()