Bump microsoft/setup-msbuild from 2 to 3

Bumps [microsoft/setup-msbuild](https://github.com/microsoft/setup-msbuild) from 2 to 3.
- [Release notes](https://github.com/microsoft/setup-msbuild/releases)
- [Commits](https://github.com/microsoft/setup-msbuild/compare/v2...v3)

---
updated-dependencies:
- dependency-name: microsoft/setup-msbuild
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/desktop-build.yml

@@ -341,7 +341,7 @@ jobs:
       - name: Add msbuild to PATH
         if: matrix.os == 'Windows'
         id: add-msbuild
-        uses: microsoft/setup-msbuild@v2
+        uses: microsoft/setup-msbuild@v3
         with:
           msbuild-architecture: x64