Bump Octokit from 0.50.0 to 5.0.0

Bumps [Octokit](https://github.com/octokit/octokit.net) from 0.50.0 to 5.0.0.
- [Release notes](https://github.com/octokit/octokit.net/releases)
- [Changelog](https://github.com/octokit/octokit.net/blob/main/docs/releases.md)
- [Commits](https://github.com/octokit/octokit.net/compare/v0.50.0...v5.0.0)

---
updated-dependencies:
- dependency-name: Octokit
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Discord Media Loader/packages.config

@@ -14,7 +14,7 @@
   <package id="Nito.Cancellation" version="1.1.2" targetFramework="net461" />
   <package id="Nito.Collections.Deque" version="1.1.1" targetFramework="net461" />
   <package id="Nito.Disposables" version="2.2.1" targetFramework="net461" />
-  <package id="Octokit" version="0.50.0" targetFramework="net461" />
+  <package id="Octokit" version="5.0.0" targetFramework="net461" />
   <package id="System.Buffers" version="4.5.1" targetFramework="net461" />
   <package id="System.Collections.Immutable" version="5.0.0" targetFramework="net461" />
   <package id="System.Linq" version="4.3.0" targetFramework="net461" />