actions: install correct windows sdk version

Author: ThisAMJ

.github/workflows/CI.yml

@@ -8,12 +8,14 @@ on:
       - 'lib/**'
       - 'src/**'
       - 'Makefile'
+      - '.github/workflows/CI.yml'
   pull_request:
     branches: '**'
     paths:
       - 'lib/**'
       - 'src/**'
       - 'Makefile'
+      - '.github/workflows/CI.yml'
   workflow_dispatch:
 
 permissions:
@@ -76,6 +78,17 @@ jobs:
         with: { fetch-depth: 0 }
       - name: Setup MSBuild
         uses: microsoft/setup-msbuild@v2
+        with:
+          vs-version: '16.11'
+      - name: Install VS2019 Build Tools and SDK
+        shell: powershell
+        run: |
+          Invoke-WebRequest -Uri "https://aka.ms/vs/16/release/vs_buildtools.exe" -OutFile "vs_buildtools.exe"
+          Start-Process -FilePath "vs_buildtools.exe" -ArgumentList `
+            "--quiet", "--wait", "--norestart", "--nocache", `
+            "--installPath", "C:\BuildTools", `
+            "--add", "Microsoft.VisualStudio.Component.Windows10SDK.18362", `
+            "--add", "Microsoft.VisualStudio.Component.VC.142.x86.x64" -Wait
       - name: Build
         env:
           DEMO_SIGN_PUBKEY: ${{ secrets.SAR_DEMO_SIGN_PUBKEY }}