Update tests.yml

Author: bok-

.github/workflows/tests.yml

@@ -13,6 +13,33 @@ on:
       - '**/*.swift'
 
 jobs:
+  tests-macos12:
+    name: Test Builds - macOS 12
+    runs-on: macos-12.0
+    strategy:
+      matrix:
+        xcode: [ "13.1", "13.2.1", "13.3.1" ]
+
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
+    
+    steps:
+      - name: 🛒 Checkout
+        uses: actions/checkout@v2
+
+      - name: 🧱 Build
+        run: make build-release
+
+      - name: 🚩 Checkout Vexil
+        uses: actions/checkout@v2
+        with:
+          repository: unsignedapps/Vexil
+          ref: v1.2.2
+          path: Vexil
+
+      - name: 📦 Package Vexil
+        run: cd Vexil && ../.build/release/swift-create-xcframework --zip --zip-version 1.2.2 --platform ios --platform macos --platform tvos --platform watchos
+
   tests-macos11:
     name: Test Builds - macOS 11
     runs-on: macos-11.0