Update actions and node version in tests

Author: brichet

.github/workflows/check-release.yml

@@ -14,7 +14,7 @@ jobs:
         group: [check_release, link_check]
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Base Setup
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Install Dependencies

.github/workflows/test-docs-python.yml

@@ -52,11 +52,11 @@ jobs:
           if [ "${{ matrix.group }}" == "python" ]; then
               echo "GROUP=python" >> $GITHUB_ENV
           fi
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v3
         with:
-          node-version: '17.x'
+          node-version: '18.x'
       # NOTE: actions/setup-python@v2 can make use of a cache within the GitHub
       #       Action virtual environment and setup extremely fast. 3.9 isn't
       #       available in this cache as of November 2020.

.github/workflows/test-extensions.yml

@@ -38,11 +38,11 @@ jobs:
       - name: Configure environment variables from job flags
         run: |
           echo "GROUP=${{ matrix.group }}" >> $GITHUB_ENV
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v3
         with:
-          node-version: '17.x'
+          node-version: '18.x'
       # NOTE: actions/setup-python@v2 can make use of a cache within the GitHub
       #       Action virtual environment and setup extremely fast. 3.9 isn't
       #       available in this cache as of November 2020.