Merge pull request #100 from ruby/dependabot/bundler/thor-1.4.0

Bump thor from 1.3.1 to 1.4.0

Author: hsbt

Gemfile.lock

@@ -31,7 +31,7 @@ GEM
       sfl
     test-unit (3.6.2)
       power_assert
-    thor (1.3.1)
+    thor (1.4.0)
 
 PLATFORMS
   ruby