chore: Use Node 20 in CI.

Author: Artmann

.github/workflows/test.yaml

@@ -5,9 +5,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v4
         with:
-          node-version: 14.x
+          node-version: 20.x
       - uses: actions/setup-python@v2
         with:
           python-version: 3.8.12