Bump OpenAI from 2.1.0 to 2.5.0

---
updated-dependencies:
- dependency-name: OpenAI
  dependency-version: 2.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

ProjectDirector/ProjectDirector.csproj

@@ -11,6 +11,6 @@
     <PackageReference Include="ktsu.ImGuiWidgets" Version="1.6.8" />
     <PackageReference Include="LibGit2Sharp" Version="0.31.0" />
     <PackageReference Include="Octokit" Version="14.0.0" />
-    <PackageReference Include="OpenAI" Version="2.1.0" />
+    <PackageReference Include="OpenAI" Version="2.5.0" />
   </ItemGroup>
 </Project>