Update node version used in release workflow

Author: silvanocerza

.github/workflows/cd_npm.yml

@@ -17,7 +17,7 @@ jobs:
 
             - uses: actions/setup-node@v4
               with:
-                  node-version: 16
+                  node-version: 20
 
             - run: npm ci
 
@@ -33,7 +33,7 @@ jobs:
 
             - uses: actions/setup-node@v4
               with:
-                  node-version: 16
+                  node-version: 20
                   registry-url: https://registry.npmjs.org/
 
             - name: Update npm