Bumped the Xamarin.Android version

Author: beeradmoore

.github/workflows/main.yml

@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: Set default Xamarin SDK versions
       run: |
-        $VM_ASSETS/select-xamarin-sdk-v2.sh --android=12.0
+        $VM_ASSETS/select-xamarin-sdk-v2.sh --android=13.0
 
     - name: Setup .NET Core SDK 5.0.x
       uses: actions/setup-dotnet@v1

.github/workflows/manual-build.yaml

@@ -11,7 +11,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: Set default Xamarin SDK versions
       run: |
-        $VM_ASSETS/select-xamarin-sdk-v2.sh --android=12.0
+        $VM_ASSETS/select-xamarin-sdk-v2.sh --android=13.0
     
     - name: Update ndk location
       run: ln -sfn /Users/runner/Library/Android/sdk/ndk/22.1.7171670 /Users/runner/Library/Android/sdk/ndk-bundle