Try installing sdl2 in macos test

Author: gridbugs

.github/workflows/test.yml

@@ -13,6 +13,10 @@ jobs:
       run: |
         sudo apt update
         sudo apt install libudev-dev libasound2-dev libsdl2-dev libsdl2-ttf-dev
+    - name: Setup SDL2 frameworks
+      uses: BrettDong/setup-sdl2-frameworks@main
+      with:
+        sdl2: latest
     - uses: hecrj/setup-rust-action@v1
       with:
         rust-version: ${{ matrix.rust }}