Bump the nuget group with 2 updates (#11)

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
...

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

Author: dependabot[bot]

Tests/PowerShell.MCP.Tests.csproj

@@ -19,6 +19,8 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="System.Net.Http" Version="4.3.4" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <ProjectReference Include="..\PowerShell.MCP\PowerShell.MCP.csproj" />
   </ItemGroup>