build(deps): Bump TiktokenSharp from 1.1.5 to 1.1.6 in the all group

Bumps the all group with 1 update: [TiktokenSharp](https://github.com/aiqinxuancai/TiktokenSharp).


Updates `TiktokenSharp` from 1.1.5 to 1.1.6
- [Release notes](https://github.com/aiqinxuancai/TiktokenSharp/releases)
- [Commits](aiqinxuancai/TiktokenSharp@1.1.5...1.1.6)

---
updated-dependencies:
- dependency-name: TiktokenSharp
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all
...

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

src/Directory.Packages.props

@@ -21,7 +21,7 @@
     </PackageVersion>
     <PackageVersion Include="SharpToken" Version="2.0.3" />
     <PackageVersion Include="System.ValueTuple" Version="4.5.0" />
-    <PackageVersion Include="TiktokenSharp" Version="1.1.5" />
+    <PackageVersion Include="TiktokenSharp" Version="1.1.6" />
     <PackageVersion Include="Verify.MSTest" Version="28.7.0" />
   </ItemGroup>
 </Project>