[ci] Update MSBuild.yml GitHub Action setup-msbuild to v3 (#1147)

Fixes another Node20.js deprecation warning

Author: gruenich

.github/workflows/MSBuild.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Add MSBuild to PATH
-      uses: microsoft/setup-msbuild@v2
+      uses: microsoft/setup-msbuild@v3
 
     - uses: actions/checkout@v6