build(deps): bump Roslynator.Analyzers from 3.0.0 to 3.1.0 in /src (#339

)

Bumps [Roslynator.Analyzers](https://github.com/JosefPihrt/Roslynator) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/JosefPihrt/Roslynator/releases)
- [Changelog](https://github.com/JosefPihrt/Roslynator/blob/master/ChangeLog.md)
- [Commits](dotnet/roslynator@v3.0.0...v3.1.0)

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

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

src/Directory.build.props

@@ -45,7 +45,7 @@
   <ItemGroup>
     <PackageReference Include="stylecop.analyzers" Version="1.2.0-beta.312" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="5.0.3" PrivateAssets="all" />
-    <PackageReference Include="Roslynator.Analyzers" Version="3.0.0" PrivateAssets="All" />
+    <PackageReference Include="Roslynator.Analyzers" Version="3.1.0" PrivateAssets="All" />
   </ItemGroup>
 
   <ItemGroup>