CI: add step to configure msbuild on Windows

and use fixed Windows 2019

.github/workflows/gha.yml

@@ -109,7 +109,7 @@ jobs:
 
   windows:
     name: Windows
-    runs-on: windows-latest
+    runs-on: windows-2019
 
     env:
       platform: x64
@@ -119,18 +119,18 @@ jobs:
       PMDK_VERSION: "1.9"
       CMAKE_TOOLCHAIN_FILE: "C:\\vcpkg\\scripts\\buildsystems\\vcpkg.cmake"
       CMAKE_INSTALL_PREFIX: "C:\\install\\libpmemobj-cpp"
-      MSBUILD:  "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\MSBuild\\Current\\Bin"
     strategy:
       matrix:
         BUILD_TYPE:   [Debug, Release]
         CXX_STANDARD: [14]
         include:
           - BUILD_TYPE:   RelWithDebInfo
             CXX_STANDARD: 17
-
     steps:
-      - name: Update PATH
-        run: echo "${env:MSBUILD}" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+      - name: Setup MSBuild.exe
+        uses: microsoft/[email protected]
+        with:
+          msbuild-architecture: ${env:ARCH}
 
       - name: Cache vcpkg packages
         uses: actions/cache@v1