Bump Microsoft.Net.Http.Headers from 2.2.8 to 2.3.0

Bumps [Microsoft.Net.Http.Headers](https://github.com/dotnet/aspnetcore) from 2.2.8 to 2.3.0.
- [Release notes](https://github.com/dotnet/aspnetcore/releases)
- [Changelog](https://github.com/dotnet/aspnetcore/blob/main/docs/ReleasePlanning.md)
- [Commits](https://github.com/dotnet/aspnetcore/commits)

---
updated-dependencies:
- dependency-name: Microsoft.Net.Http.Headers
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/Platforms/Exceptionless.AspNetCore/Exceptionless.AspNetCore.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <Import Project="..\..\..\build\common.props" />
 
   <PropertyGroup>
@@ -26,7 +26,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.DiagnosticAdapter" Version="3.1.32" />
-    <PackageReference Include="Microsoft.Net.Http.Headers" Version="2.2.8" />
+    <PackageReference Include="Microsoft.Net.Http.Headers" Version="2.3.0" />
     <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="6.0.0" />
   </ItemGroup>