Update microsoft/setup-msbuild digest to 3404ff3 (#1451)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/dotnet-core.yml

@@ -62,7 +62,7 @@ jobs:
         dotnet workload list
 
     - name: Add MSBuild to PATH
-      uses: microsoft/setup-msbuild@1ff57057b5cfdc39105cd07a01d78e9b0ea0c14c
+      uses: microsoft/setup-msbuild@3404ff3d40458f8d1fdf55c2bcc442b970404ad7
 
     # This mitigates an issue with websdk projects loading analyzers from old packages.
     - name: Cleanup nuget local storage