Update publish.yml

Author: mcafaro

.github/workflows/publish.yml

@@ -21,7 +21,7 @@ jobs:
           git config user.email '<>'
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
 
       # Call `npm version`. It increments the version and commits the changes.
       # We'll save the output (new version string) for use in the following