Bump the all-nuget group with 2 updates

Bumps BenchmarkDotNet from 0.14.0 to 0.15.8
Bumps TUnit from 1.48.6 to 1.51.0

---
updated-dependencies:
- dependency-name: BenchmarkDotNet
  dependency-version: 0.15.8
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-nuget
- dependency-name: TUnit
  dependency-version: 1.51.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-nuget
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

benchmarks/EditorConfig.Benchmarks/EditorConfig.Benchmarks.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.15.8" />
   </ItemGroup>
 
   <ItemGroup>

src/EditorConfig.Tests/EditorConfig.Tests.csproj

@@ -7,7 +7,7 @@
 
 	<ItemGroup>
 		<ProjectReference Include="..\EditorConfig.Core\EditorConfig.Core.csproj" />
-		<PackageReference Include="TUnit" Version="1.48.6" />
+		<PackageReference Include="TUnit" Version="1.51.0" />
 		<PackageReference Include="AwesomeAssertions" Version="9.4.0" />
 	</ItemGroup>