add android build

Author: swhitty

.github/workflows/build.yml

@@ -94,3 +94,13 @@ jobs:
         run: swift build --build-tests
       - name: Test
         run: swift test --skip-build
+
+  android:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build and Test
+        uses: skiptools/swift-android-action@v2
+        with:
+          swift-version: 6.2