update e2e-test action to use node-version 20

Author: Popotojs

.github/workflows/e2e-test.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: 18
+          node-version: 20
           cache: 'npm'
       - name: Docker compose
         run: docker compose up -d --build