Bump Octokit from 0.32.0 to 0.50.0 in /source

Bumps [Octokit](https://github.com/octokit/octokit.net) from 0.32.0 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](octokit/octokit.net@v0.32.0...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>

Author: dependabot[bot]

source/Server.Tests/Server.Tests.csproj

@@ -11,7 +11,7 @@
         <PackageReference Include="NSubstitute" Version="3.1.0"/>
         <PackageReference Include="NUnit" Version="3.13.2"/>
         <PackageReference Include="NUnit3TestAdapter" Version="4.0.0"/>
-        <PackageReference Include="Octokit" Version="0.32.0"/>
+        <PackageReference Include="Octokit" Version="0.50.0"/>
         <PackageReference Include="TeamCity.VSTest.TestAdapter" Version="1.0.15"/>
     </ItemGroup>
     <ItemGroup>