Bump Octokit from 11.0.1 to 13.0.1

Bumps [Octokit](https://github.com/octokit/octokit.net) from 11.0.1 to 13.0.1.
- [Release notes](https://github.com/octokit/octokit.net/releases)
- [Changelog](https://github.com/octokit/octokit.net/blob/main/docs/releases.md)
- [Commits](octokit/octokit.net@v11.0.1...v13.0.1)

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

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

src/PSRule.Rules.GitHub/PSRule.Rules.GitHub.csproj

@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Octokit" Version="11.0.1" />
+    <PackageReference Include="Octokit" Version="13.0.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>