Bump TiktokenSharp from 1.1.7 to 1.1.8 (#320)

---
updated-dependencies:
- dependency-name: TiktokenSharp
  dependency-version: 1.1.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-and-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Kattbot/Kattbot.csproj

@@ -19,7 +19,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="9.0.8" />
-        <PackageReference Include="TiktokenSharp" Version="1.1.7" />
+        <PackageReference Include="TiktokenSharp" Version="1.1.8" />
         <PackageReference Include="CommandLineArgumentsParser" Version="3.0.23" />
         <PackageReference Include="DSharpPlus" Version="5.0.0-nightly-02538" />
         <PackageReference Include="DSharpPlus.CommandsNext" Version="5.0.0-nightly-02538" />