build.yml: Use windows-2019 for MSVC.

Author: jhett12321

.github/workflows/build.yml

@@ -181,20 +181,11 @@ jobs:
         artifacts: "NWNX-EE.zip,NWScript.zip"
 
   build-win:
-    runs-on: windows-latest
+    runs-on: windows-2019
     steps:
     - uses: actions/checkout@v3
     - run: git config --system --add safe.directory /__w/unified/unified
-    
-    - name: Setup MSVC
-      uses: ilammy/msvc-dev-cmd@v1
-      with:
-        arch: amd64
-        vsversion: 2017
 
-    - name: Setup CMake
-      uses: lukka/get-cmake@latest
-    
     - name: Create Build Environment
       run: cmake -E make_directory ${{runner.workspace}}/build