Bump devise from 4.5.0 to 4.6.1

Bumps [devise](https://github.com/plataformatec/devise) from 4.5.0 to 4.6.1.
- [Release notes](https://github.com/plataformatec/devise/releases)
- [Changelog](https://github.com/plataformatec/devise/blob/master/CHANGELOG.md)
- [Commits](heartcombo/devise@v4.5.0...v4.6.1)

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

Gemfile

@@ -4,7 +4,7 @@ source 'https://rubygems.org'
 ruby '2.5.0'
 
 gem 'airbrake', '~> 8.1'
-gem 'devise', '~> 4.5'
+gem 'devise', '~> 4.6'
 gem 'geokit', '~> 1.13'
 gem 'haml', '~> 5.0'
 gem 'http_accept_language', '~> 2.0'

Gemfile.lock

@@ -70,7 +70,7 @@ GEM
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     crass (1.0.4)
-    devise (4.5.0)
+    devise (4.6.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 4.1.0, < 6.0)
@@ -204,9 +204,9 @@ GEM
       ffi (>= 0.5.0, < 2)
     rbtree3 (0.5.0)
     remotipart (1.4.2)
-    responders (2.4.0)
-      actionpack (>= 4.2.0, < 5.3)
-      railties (>= 4.2.0, < 5.3)
+    responders (2.4.1)
+      actionpack (>= 4.2.0, < 6.0)
+      railties (>= 4.2.0, < 6.0)
     rubocop (0.65.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
@@ -261,8 +261,8 @@ GEM
     unicode-display_width (1.4.1)
     validates_formatting_of (0.9.0)
       activemodel
-    warden (1.2.7)
-      rack (>= 1.0)
+    warden (1.2.8)
+      rack (>= 2.0.6)
     webmock (3.5.1)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
@@ -278,7 +278,7 @@ DEPENDENCIES
   airbrake (~> 8.1)
   byebug
   coveralls
-  devise (~> 4.5)
+  devise (~> 4.6)
   dotenv-rails
   geokit (~> 1.13)
   haml (~> 5.0)