Bump Octokit from 12.0.0 to 13.0.0 in /tools in the dotnet group (dot…

…net#1137)

Bumps the dotnet group in /tools with 1 update: [Octokit](https://github.com/octokit/octokit.net).


Updates `Octokit` from 12.0.0 to 13.0.0
- [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@v12.0.0...v13.0.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

tools/Utilities/Utilities.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Octokit" Version="12.0.0" />
+    <PackageReference Include="Octokit" Version="13.0.0" />
     <PackageReference Include="System.Text.Json" Version="8.0.3" />
   </ItemGroup>