Attempt to keep win-arm support, may be on the chopping block though

Author: Perksey

sources/SDL/Native/build-win-arm.cmd

@@ -1,3 +1,9 @@
+if "%GITHUB_ACTIONS%"!="" (
+    wget https://go.microsoft.com/fwlink/?linkid=2286561 -o winsdksetup.exe
+    .\winsdksetup.exe /q /norestart /ceip off /features+
+    rm winsdksetup.exe
+)
+
 if not exist "../../../eng/submodules/sdl/CMakeLists.txt" (
     git submodule update --init --recursive --depth 1 ..\..\..\eng\submodules\sdl
 )