Bump octokit from 0.48.0 to 0.50.0

Bumps [octokit](https://github.com/octokit/octokit.net) from 0.48.0 to 0.50.0.
- [Release notes](https://github.com/octokit/octokit.net/releases)
- [Changelog](https://github.com/octokit/octokit.net/blob/main/ReleaseNotes.md)
- [Commits](https://github.com/octokit/octokit.net/compare/v0.48.0...v0.50.0)

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

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

dotnetthanks-loader.csproj

@@ -12,7 +12,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="5.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-    <PackageReference Include="octokit" Version="0.48.0" />
+    <PackageReference Include="octokit" Version="0.50.0" />
   </ItemGroup>
 
 </Project>