Bumped versions in Github actions configuration to v3.

.github/workflows/tests.yml

@@ -20,9 +20,9 @@ jobs:
     name: Windows, SQLite, Python ${{ matrix.python-version }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip'
@@ -36,17 +36,12 @@ jobs:
     name: JavaScript tests
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Set up Node.js
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v3
         with:
           node-version: '12'
-      - name: Cache dependencies
-        uses: actions/cache@v2
-        with:
-          path: ~/.npm
-          key: ${{ runner.os }}-node-${{ hashFiles('**/package.json') }}
-          restore-keys: |
-            ${{ runner.os }}-node-
+          cache: 'npm'
+          cache-dependency-path: '**/package.json'
       - run: npm install
       - run: npm test