Merge pull request #904 from ProgrammingDaisukiClub/dependabot/bundler/master/devise-4.8.1

Bump devise from 4.8.0 to 4.8.1

Author: exKAZUu

Gemfile.lock

@@ -82,7 +82,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.10)
     crass (1.0.6)
-    devise (4.8.0)
+    devise (4.8.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 4.1.0)