Sync with ecosystem and prepare for v5

.github/workflows/ci.yml

@@ -89,8 +89,8 @@ jobs:
   #       run: yarn ember test
 
   try-scenarios:
-    name: "Compatibility"
-    timeout-minutes: 7
+    name: "Ember Compatibility"
+    timeout-minutes: 10
     runs-on: ubuntu-latest
     needs: tests
 
@@ -101,6 +101,7 @@ jobs:
           - ember-3.25
           - ember-3.26
           - ember-3.28
+          - ember-4.0.0
           - ember-concurrency-v1
           - ember-release
           - ember-beta
@@ -130,11 +131,57 @@ jobs:
         run: |
           node_modules/.bin/ember try:one ${{ matrix.ember-try-scenario }} --skip-cleanup
 
+  typescript-compatibility:
+    name: Type checking - ${{ matrix.typescript-scenario }}
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    needs: build_test
+
+    strategy:
+      fail-fast: true
+      matrix:
+        typescript-scenario:
+          [
+            [email protected],
+            [email protected],
+            [email protected],
+            [email protected],
+            [email protected],
+            typescript@next,
+          ]
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+      - uses: volta-cli/action@v1
+        with:
+          node-version: 12.x
+      - name: Cache pnpm modules
+        uses: actions/cache@v2
+        with:
+          path: ~/.pnpm-store
+          key: ${{ runner.os }}-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-
+
+      - uses: pnpm/[email protected]
+        with:
+          version: 6.32.1
+      - run: pnpm install
+      - name: Update TS Version
+        run: pnpm add --save-dev ${{ matrix.typescript-scenario }}
+        working-directory: testing/ember-app
+      - name: Type checking
+        run: pnpm --filter ember-app exec tsc --build
+
+
+
   publish:
     name: Release
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master'
-    needs: [tests, try-scenarios]
+    needs: [tests, typescript-compatibility, try-scenarios]
 
     steps:
       - uses: actions/checkout@v3