Merge pull request #76 from atcoder/patch/action

upgrade the version of microsoft/setup-msbuild

Author: yosupo06

.github/workflows/unittest_msvc.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Setup MSBuild.exe
-        uses: microsoft/setup-msbuild@v1.0.1
+        uses: microsoft/setup-msbuild@v1.0.2
       - uses: actions/checkout@v2
         with:
           submodules: recursive