Bump coverlet.msbuild from 3.1.0 to 3.1.1 (#164)

Author: dependabot[bot]

WebDriverManager.Tests/WebDriverManager.Tests.csproj

@@ -6,7 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="coverlet.msbuild" Version="3.1.0"/>
+        <PackageReference Include="coverlet.msbuild" Version="3.1.1"/>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0"/>
         <PackageReference Include="Selenium.WebDriver" Version="4.1.0"/>
         <PackageReference Include="xunit" Version="2.4.1"/>