ci: progress towards building on windows again

.github/workflows/main.yml

@@ -4,6 +4,7 @@ on:
   push:
     paths:
       - "**.zig"
+      - "dl_sdl2.ps1"
     branches:
       - main
   schedule:
@@ -20,7 +21,7 @@ jobs:
     steps:
       - uses: goto-bus-stop/setup-zig@v2
         with:
-          version: 0.11.0
+          version: 0.12.0-dev.2063+804cee3b9
       - name: prepare-linux
         if: runner.os == 'Linux'
         run: |
@@ -29,9 +30,8 @@ jobs:
       - name: prepare-windows
         if: runner.os == 'Windows'
         run: |
-            vcpkg integrate install
-            vcpkg install sdl2:x64-windows
             git config --global core.autocrlf false
+            .\dl_sdl2.ps1
       - name: prepare-macos
         if: runner.os == 'macOS'
         run: |