Update microsoft/setup-msbuild action to v2

Author: renovate[bot]

.github/workflows/BuildOnly.yml

@@ -26,7 +26,7 @@ jobs:
             8.0.x
 
     - name: Add MSBuild to PATH
-      uses: microsoft/setup-msbuild@v1.3.3
+      uses: microsoft/setup-msbuild@v2.0.0
       with:
         vs-prerelease: true
 

.github/workflows/dotnet.yml

@@ -30,7 +30,7 @@ jobs:
             7.0.x
 
     - name: Add MSBuild to PATH
-      uses: microsoft/setup-msbuild@v1.3.3
+      uses: microsoft/setup-msbuild@v2.0.0
       with:
         vs-prerelease: true