ci: Check that compiling/downloading binaries work after releasing

Author: ubolonton

.github/workflows/release.yml

@@ -96,7 +96,7 @@ jobs:
           path: core/tsc-dyn.*${{ matrix.ext }}
           if-no-files-found: error
 
-  publish:
+  publish-binaries:
     needs: build
     runs-on: ubuntu-18.04
     steps:
@@ -122,3 +122,33 @@ jobs:
           body_path: RELEASE-NOTES
           files: |
             tsc-dyn.*
+
+  integ:
+    needs: publish-binaries
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: macos-10.15
+            emacs-version: '27.2'
+          - os: ubuntu-18.04
+            emacs-version: '27.2'
+          - os: windows-2019
+            emacs-version: '27.2'
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: purcell/setup-emacs@v3.0
+        if: runner.os != 'Windows'
+        with:
+          version: ${{ matrix.emacs-version }}
+      - uses: jcs090218/setup-emacs-windows@v4
+        if: runner.os == 'Windows'
+        with:
+          version: ${{ matrix.emacs-version }}
+
+      - uses: actions/checkout@v2
+
+      - run: .github/script/setup-cask
+      - run: bin/setup
+
+      - run: bin/test integ