Adds check-release workflow

.github/workflows/build.yml

@@ -160,25 +160,3 @@ jobs:
           name: light-theme-playwright-tests
           path: |
             examples/tests/test-results
-
-  check-release:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install Node.js
-        uses: actions/setup-node@v2
-        with:
-          node-version: '14.x'
-
-      - name: Set up Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.10'
-
-      - name: Check Release
-        uses: jupyter-server/jupyter_releaser/.github/actions/check-release@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/check-release.yml

@@ -0,0 +1,43 @@
+name: Check Release
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+  release:
+    types: [published]
+
+jobs:
+
+  check_release:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        group: [check_release, link_check]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Base Setup
+        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
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          version_spec: next
+
+      - name: Run Link Check
+        if: ${{ matrix.group == 'link_check' }}
+        uses: jupyter-server/jupyter_releaser/.github/actions/check-links@v1
+
+      - name: Upload Assets
+        if: ${{ matrix.group == 'check_release' }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: jupyterlab-releaser-dist-${{ github.run_number }}
+          path: |
+            .jupyter_releaser_checkout/dist/*.*