Bump to modern ruby

.ruby-version

@@ -1 +1 @@
-2.7.8
+3.0.6

Gemfile

@@ -41,6 +41,7 @@ gem 'rails_admin'
 gem 'rollbar'
 gem 'sass-rails'
 gem 'utf8-cleaner'
+gem 'webrick'
 
 # Asset management using bower
 # https://rails-assets.org/

Gemfile.lock

@@ -134,7 +134,7 @@ GEM
       capybara (>= 2.5.0)
     case_transform (0.2)
       activesupport
-    chunky_png (1.3.11)
+    chunky_png (1.4.0)
     climate_control (0.2.0)
     coderay (1.1.3)
     coffee-rails (5.0.0)
@@ -156,7 +156,7 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    compass-rails (3.1.0)
+    compass-rails (4.0.0)
       compass (~> 1.0.0)
       sass-rails (< 5.1)
       sprockets (< 4.0)
@@ -222,7 +222,7 @@ GEM
       multipart-post (>= 1.2, < 3)
     faraday_middleware (1.0.0)
       faraday (~> 1.0)
-    ffi (1.12.2)
+    ffi (1.15.5)
     font-awesome-sass (5.13.0)
       sassc (>= 1.11)
     foundation-rails (5.5.2.1)
@@ -328,7 +328,7 @@ GEM
     mongoid_taggable (1.1.1)
       mongoid (>= 3)
       rake
-    multi_json (1.14.1)
+    multi_json (1.15.0)
     multipart-post (2.1.1)
     mutations (0.9.0)
       activesupport
@@ -436,8 +436,8 @@ GEM
     rainbow (3.0.0)
     rake (13.0.6)
     rate_throttle_client (0.1.2)
-    rb-fsevent (0.10.3)
-    rb-inotify (0.10.0)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (2.8.0)
     remotipart (1.4.4)
@@ -477,8 +477,8 @@ GEM
     ruby-progressbar (1.11.0)
     rubyzip (2.3.2)
     sass (3.4.25)
-    sass-rails (5.0.7)
-      railties (>= 4.0.0, < 6)
+    sass-rails (5.0.8)
+      railties (>= 5.2.0)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
@@ -530,7 +530,7 @@ GEM
       rack (>= 1, < 3)
     thor (1.2.1)
     thread_safe (0.3.6)
-    tilt (2.0.10)
+    tilt (2.1.0)
     timeout (0.3.2)
     tins (1.21.1)
     travis (1.9.1)
@@ -558,6 +558,7 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
+    webrick (1.8.1)
     websocket (1.2.8)
     websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)
@@ -647,6 +648,7 @@ DEPENDENCIES
   utf8-cleaner
   vcr
   webmock
+  webrick
 
 BUNDLED WITH
    2.2.16