tests: fix typescript validation test (#445)

Author: wolfy1339

.github/workflows/test.yml

@@ -32,6 +32,11 @@ jobs:
       - run: exit 1
         if: ${{ needs.test_matrix.result != 'success' }}
       - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node_version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: lts/*
+          cache: npm
       - run: npm ci
       - run: npm run test:typescript
     if: ${{ always() }}

package-lock.json

@@ -42,6 +42,7 @@
     "@sinonjs/fake-timers": "^8.0.0",
     "@types/fetch-mock": "^7.3.1",
     "@types/jest": "^29.0.0",
+    "@types/node": "^18.11.18",
     "@types/sinonjs__fake-timers": "^8.0.0",
     "fetch-mock": "^9.0.0",
     "jest": "^29.0.0",