Merge pull request #145 from segmentio/bump_regex

Bump System.Text.RegularExpressions from 4.3.0 to 4.3.1

Author: lubird

DI/Analytics.Extensions.Microsoft.DependencyInjection.Test/Analytics.Extensions.Microsoft.DependencyInjection.Test.csproj

@@ -11,6 +11,7 @@
     <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.0.0" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
   </ItemGroup>
 
   <ItemGroup>