Cleanup CI (#254)

.github/workflows/check-release.yml

@@ -1,62 +1,19 @@
 name: Check Release
 on:
   push:
-    branches: ["master"]
+    branches: ["main"]
   pull_request:
-    branches: ["*"]
 
 permissions:
   contents: write
 
 jobs:
   check_release:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        group: [check_release, link_check]
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-      - name: Install Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: 3.9
-          architecture: "x64"
-      - name: Install node
-        uses: actions/setup-node@v2
-        with:
-          node-version: "14.x"
-      - name: Get pip cache dir
-        id: pip-cache
-        run: |
-          echo "::set-output name=dir::$(pip cache dir)"
-      - name: Cache pip
-        uses: actions/cache@v1
-        with:
-          path: ${{ steps.pip-cache.outputs.dir }}
-          key: ${{ runner.os }}-pip-${{ hashFiles('setup.cfg') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
-            ${{ runner.os }}-pip-
-      - name: Cache checked links
-        if: ${{ matrix.group == 'link_check' }}
-        uses: actions/cache@v2
-        with:
-          path: ~/.cache/pytest-link-check
-          key: ${{ runner.os }}-linkcheck-${{ hashFiles('**/*.md', '**/*.rst') }}-md-links
-          restore-keys: |
-            ${{ runner.os }}-linkcheck-
-      - name: Upgrade packaging dependencies
-        run: |
-          pip install --upgrade pip setuptools wheel --user
-      - name: Install Dependencies
-        run: |
-          pip install -e .
+      - uses: actions/checkout@v2
+      - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Check Release
-        if: ${{ matrix.group == 'check_release' }}
-        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v1
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-      - name: Check Links
-        if: ${{ matrix.group == 'link_check' }}
-        uses: jupyter-server/jupyter_releaser/.github/actions/check-links@v1

.github/workflows/main.yml

@@ -2,6 +2,7 @@ name: CI
 
 on:
   push:
+    branches: ["main"]
   pull_request:
 
 jobs:
@@ -71,3 +72,10 @@ jobs:
         pip install .[sphinx]
         cd docs
         make html SPHINXOPTS="-W"
+
+  check-links:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+    - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1