Bump thor from 0.20.3 to 1.4.0

Bumps [thor](https://github.com/rails/thor) from 0.20.3 to 1.4.0.
- [Release notes](https://github.com/rails/thor/releases)
- [Commits](rails/thor@v0.20.3...v1.4.0)

---
updated-dependencies:
- dependency-name: thor
  dependency-version: 1.4.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -3,7 +3,7 @@ GEM
   specs:
     plist (3.4.0)
     rainbow (3.0.0)
-    thor (0.20.3)
+    thor (1.4.0)
 
 PLATFORMS
   ruby