🔧 Add step to update npm

Author: Heiner Pöpping

.github/workflows/publish.yml

@@ -24,5 +24,8 @@ jobs:
         with:
           node-version: '20.18.2'
           registry-url: https://registry.npmjs.org/
+      # Ensure npm 11.5.1 or later is installed
+      - name: Update npm
+        run: npm install -g npm@latest
       - run: npm install
       - run: npm publish --tag ${{ env.TAG }}