Bump devise from 4.7.3 to 4.8.0

Bumps [devise](https://github.com/plataformatec/devise) from 4.7.3 to 4.8.0.
- [Release notes](https://github.com/plataformatec/devise/releases)
- [Changelog](https://github.com/heartcombo/devise/blob/master/CHANGELOG.md)
- [Commits](heartcombo/devise@v4.7.3...v4.8.0)

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

Gemfile

@@ -6,7 +6,7 @@ ruby "2.6.5"
 
 gem "rails", "~> 6.1"
 gem "doorkeeper", "~> 5.5.1"
-gem "devise", "~> 4.7"
+gem "devise", "~> 4.8"
 
 gem "faker"
 gem "jquery-rails"

Gemfile.lock

@@ -72,7 +72,7 @@ GEM
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
-    devise (4.7.3)
+    devise (4.8.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 4.1.0)
@@ -110,7 +110,7 @@ GEM
     marcel (1.0.0)
     method_source (0.9.2)
     mini_mime (1.0.3)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.4)
     nio4r (2.5.7)
     nokogiri (1.11.3)
@@ -243,7 +243,7 @@ PLATFORMS
 DEPENDENCIES
   coderay
   database_cleaner
-  devise (~> 4.7)
+  devise (~> 4.8)
   doorkeeper (~> 5.5.1)
   factory_bot_rails
   faker