Bump Microsoft.Extensions.DependencyInjection and Microsoft.Extensions.DependencyInjection.Abstractions

Bumps [Microsoft.Extensions.DependencyInjection](https://github.com/dotnet/runtime) and [Microsoft.Extensions.DependencyInjection.Abstractions](https://github.com/dotnet/runtime). These dependencies needed to be updated together.

Updates `Microsoft.Extensions.DependencyInjection` from 7.0.0 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.0...v8.0.0)

Updates `Microsoft.Extensions.DependencyInjection.Abstractions` from 7.0.0 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.0...v8.0.0)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.DependencyInjection
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: Microsoft.Extensions.DependencyInjection.Abstractions
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

IntelliTect.TestTools.TestFramework/IntelliTect.TestTools.TestFramework.csproj

@@ -13,8 +13,8 @@
     <PackageReference Include="IntelliTect.Analyzers" Version="0.1.8">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0" />
     <PackageReference Include="System.Text.Json" Version="7.0.1" />
   </ItemGroup>