Update thor requirement from = 1.3.0 to = 1.3.1

Updates the requirements on [thor](https://github.com/rails/thor) to permit the latest version.
- [Release notes](https://github.com/rails/thor/releases)
- [Commits](rails/thor@v1.3.0...v1.3.1)

---
updated-dependencies:
- dependency-name: thor
  dependency-type: direct:production
...

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

modulesync.gemspec

@@ -29,5 +29,5 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'gitlab', '~>4.0'
   spec.add_runtime_dependency 'octokit', '>=4', '<9'
   spec.add_runtime_dependency 'puppet-blacksmith', '>= 3.0', '< 8'
-  spec.add_runtime_dependency 'thor', '1.3.0'
+  spec.add_runtime_dependency 'thor', '1.3.1'
 end