Bump thor from 1.2.2 to 1.3.1

Bumps [thor](https://github.com/rails/thor) from 1.2.2 to 1.3.1.
- [Release notes](https://github.com/rails/thor/releases)
- [Commits](rails/thor@v1.2.2...v1.3.1)

---
updated-dependencies:
- dependency-name: thor
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -103,7 +103,7 @@ GEM
     sawyer (0.9.2)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)
-    thor (1.2.2)
+    thor (1.3.1)
     tomlrb (2.0.3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)