Bump microsoft/setup-msbuild from 1.3.1 to 2.0.0 (#268)

Bumps [microsoft/setup-msbuild](https://github.com/microsoft/setup-msbuild) from 1.3.1 to 2.0.0.
- [Release notes](https://github.com/microsoft/setup-msbuild/releases)
- [Changelog](https://github.com/microsoft/setup-msbuild/blob/main/building-release.md)
- [Commits](microsoft/setup-msbuild@1ff5705...6fb0222)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -60,7 +60,7 @@ jobs:
         dotnet-version: ${{ env.dotnet-version }}
 
     - name: Setup msbuild
-      uses: microsoft/setup-msbuild@1ff57057b5cfdc39105cd07a01d78e9b0ea0c14c # v1.3.1
+      uses: microsoft/setup-msbuild@6fb02220983dee41ce7ae257b6f4d8f9bf5ed4ce # v2.0.0
 
     - name: Initialize project file paths
       id: init-projects