Bump the nuget group with 2 updates

Bumps System.Net.Http from 4.3.0 to 4.3.4
Bumps System.Text.RegularExpressions from 4.3.0 to 4.3.1

---
updated-dependencies:
- dependency-name: System.Net.Http
  dependency-version: 4.3.4
  dependency-type: direct:production
  dependency-group: nuget
- dependency-name: System.Text.RegularExpressions
  dependency-version: 4.3.1
  dependency-type: direct:production
  dependency-group: nuget
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

tests/X.PagedList.Tests/X.PagedList.Tests.csproj

@@ -18,6 +18,8 @@
     </ItemGroup>
 
     <ItemGroup>
+      <PackageReference Include="System.Net.Http" Version="4.3.4" />
+      <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
         <ProjectReference Include="..\..\src\X.PagedList\X.PagedList.csproj" />
     </ItemGroup>