ci: bump macos sdl2 version to 2.32.4 (#1012)

Author: larpon

.github/workflows/ci.yml

@@ -81,7 +81,7 @@ jobs:
     runs-on: macos-13
     timeout-minutes: 60
     env:
-      SDL2_VERSION: 2.30.11
+      SDL2_VERSION: 2.32.4
       CFLAGS: -fpermissive -std=c99
     steps:
       - name: Checkout V