Bump devise from 4.5.0 to 4.6.0 (forem#1781)

Bumps [devise](https://github.com/plataformatec/devise) from 4.5.0 to 4.6.0.
- [Release notes](https://github.com/plataformatec/devise/releases)
- [Changelog](https://github.com/plataformatec/devise/blob/master/CHANGELOG.md)
- [Commits](heartcombo/devise@v4.5.0...v4.6.0)

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

Gemfile

@@ -35,7 +35,7 @@ gem "counter_culture", "~> 2.1"
 gem "csv_shaper", "~> 1.3"
 gem "dalli", "~> 2.7"
 gem "delayed_job_active_record", "~> 4.1"
-gem "devise", "~> 4.5"
+gem "devise", "~> 4.6"
 gem "draper", "~> 3.0"
 gem "email_validator", "~> 1.6"
 gem "emoji_regex", "~> 1.0"

Gemfile.lock

@@ -246,7 +246,7 @@ GEM
       thor (~> 0.19)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
-    devise (4.5.0)
+    devise (4.6.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 4.1.0, < 6.0)
@@ -726,9 +726,9 @@ GEM
       uber (< 0.2.0)
     request_store (1.4.0)
       rack (>= 1.4)
-    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)
     rest-client (2.0.2)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
@@ -903,8 +903,8 @@ GEM
       coercible (~> 1.0)
       descendants_tracker (~> 0.0, >= 0.0.3)
       equalizer (~> 0.0, >= 0.0.9)
-    warden (1.2.7)
-      rack (>= 1.0)
+    warden (1.2.8)
+      rack (>= 2.0.6)
     web-console (3.7.0)
       actionview (>= 5.0)
       activemodel (>= 5.0)
@@ -967,7 +967,7 @@ DEPENDENCIES
   delayed_job_active_record (~> 4.1)
   derailed (~> 0.1)
   derailed_benchmarks (~> 1.3)
-  devise (~> 4.5)
+  devise (~> 4.6)
   draper (~> 3.0)
   email_validator (~> 1.6)
   emoji_regex (~> 1.0)