ci: Use microsoft/setup-msbuild@v3 (#1240)

Co-authored-by: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>

.github/workflows/compilers.yml

@@ -88,7 +88,7 @@ jobs:
     runs-on: ${{ matrix.image }}
     steps:
       - uses: actions/checkout@v6
-      - uses: microsoft/setup-msbuild@v2
+      - uses: microsoft/setup-msbuild@v3
 
       - name: Run CMake (configure, build, test)
         uses: ./.github/workflows/cmake