Bump Microsoft.Extensions.AI.Abstractions and System.Text.Json

Bumps Microsoft.Extensions.AI.Abstractions from 10.5.0 to 10.6.0
Bumps System.Text.Json from 10.0.7 to 10.0.8

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.AI.Abstractions
  dependency-version: 10.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: System.Text.Json
  dependency-version: 10.0.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

LLama/LLamaSharp.csproj

@@ -44,14 +44,14 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="IsExternalInit" Version="1.0.3" PrivateAssets="all" />
     <PackageReference Include="System.Memory" Version="4.6.3" PrivateAssets="all" />
-    <PackageReference Include="System.Text.Json" Version="10.0.7" />
+    <PackageReference Include="System.Text.Json" Version="10.0.8" />
   </ItemGroup>
 
   <ItemGroup>
     <PackageReference Include="CommunityToolkit.HighPerformance" Version="8.4.2" />
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.7" />
     <PackageReference Include="Microsoft.Bcl.Memory" Version="10.0.7" />
-    <PackageReference Include="Microsoft.Extensions.AI.Abstractions" Version="10.5.0" />
+    <PackageReference Include="Microsoft.Extensions.AI.Abstractions" Version="10.6.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="10.0.5" />
     <PackageReference Include="System.Linq.Async" Version="7.0.0" />
     <PackageReference Include="System.Linq.AsyncEnumerable" Version="10.0.2" />