ci: update node version in github action

co-authored-by: Pram Gurusinga <[email protected]>

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           registry-url: https://registry.npmjs.org
           scope: "@digitalservicebund"
       - run: npm ci