Update npm to latest version before publishing

Author: r-brown

.github/workflows/netlicensing-js-release.yml

@@ -107,6 +107,9 @@ jobs:
           git push --follow-tags
 
       # ── Publish ─────────────────────────────────────────────────────────────
+      - name: Update npm
+        run: npm install -g npm@latest
+
       - name: Publish to npm
         run: npm publish --provenance --access public