Use node16 rather than node12

This fixes:

"Node.js 12 actions are deprecated. For more information see:
https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/.
Please update the following actions to use Node.js 16:
perl-actions/install-with-cpm"

Author: oalders

action.yml

@@ -52,5 +52,5 @@ inputs:
     default: "main"
 
 runs:
-  using: "node12"
+  using: "node16"
   main: "index.js"