Bump node version gh_action

Author: martenrichter

.github/workflows/npm-publish-github-packages.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://npm.pkg.github.com/
       - run: npm ci
         env:
@@ -47,7 +47,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://npm.pkg.github.com/
 
       - run: npm ci