Fix CI tests on Windows (#297)

* ci: Use choco to install qemu
* Version 6.0.0 corresponds to release on 2021.5.5

Co-authored-by: Joe Richey <[email protected]>

Author: phil-opp

.github/workflows/build.yml

@@ -133,14 +133,10 @@ jobs:
         HOMEBREW_NO_AUTO_UPDATE: 1
         HOMEBREW_NO_BOTTLE_SOURCE_FALLBACK: 1
         HOMEBREW_NO_INSTALL_CLEANUP: 1
-    - name: Install Scoop (Windows)
-      run: |
-        Invoke-Expression (New-Object System.Net.WebClient).DownloadString('https://get.scoop.sh')
-        echo "$HOME\scoop\shims" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-      if: runner.os == 'Windows'
-      shell: pwsh
     - name: Install QEMU (Windows)
-      run: scoop install qemu
+      run: |
+        choco install qemu --version 2021.5.5
+        echo "$Env:Programfiles\qemu" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
       if: runner.os == 'Windows'
       shell: pwsh