Update to node16, package.json, MSP-Greg -> ruby,

Author: MSP-Greg

action.yml

@@ -87,5 +87,5 @@ inputs:
     required: false
     default: 'ruby/setup-ruby/v1'
 runs:
-  using: 'node12'
+  using: 'node16'
   main: 'dist/index.js'