Bump node version to 20 in action.yml

shivammathur · shivammathur · commit 5d259c66b1a0 · 2023-09-14T02:51:48.000+05:30
Node 16 is EOL on 2023-09-11 so we update it to Node 20 that was added in the actions/runner in v2.308.0
diff --git a/action.yml b/action.yml
@@ -31,5 +31,5 @@ outputs:
   php-version:
     description: 'PHP version in semver format'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'
