Update CI configuration to use Node.js 20 container image in ci.yml

.gitea/workflows/ci.yml

@@ -9,6 +9,8 @@ on:
 jobs:
   build-test-pack:
     runs-on: internal_docker
+    container:
+      image: node:20
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -16,7 +18,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: "20"
+          node-version: '20'
           cache: npm
 
       - name: Install dependencies
@@ -37,4 +39,3 @@ jobs:
           name: npm-package
           path: "*.tgz"
 
-