Bump split from 3.3.0 to 3.4.1

Bumps [split](https://github.com/splitrb/split) from 3.3.0 to 3.4.1.
- [Release notes](https://github.com/splitrb/split/releases)
- [Changelog](https://github.com/splitrb/split/blob/master/CHANGELOG.md)
- [Commits](splitrb/split@v3.3.0...v3.4.1)

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

Author: dependabot-preview[bot]

Gemfile

@@ -4,4 +4,4 @@ gem 'rails', '~> 5.2.2'
 
 gem 'sqlite3'
 
-gem 'split', '~> 3.3.0', :require => 'split/dashboard'
+gem 'split', '~> 3.4.1', :require => 'split/dashboard'

Gemfile.lock

@@ -67,8 +67,8 @@ GEM
     nio4r (2.3.1)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
-    rack (2.0.6)
-    rack-protection (2.0.4)
+    rack (2.0.7)
+    rack-protection (2.0.7)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -97,14 +97,14 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
     rake (12.3.1)
-    redis (4.0.3)
+    redis (4.1.3)
     simple-random (1.0.3)
-    sinatra (2.0.4)
+    sinatra (2.0.7)
       mustermann (~> 1.0)
       rack (~> 2.0)
-      rack-protection (= 2.0.4)
+      rack-protection (= 2.0.7)
       tilt (~> 2.0)
-    split (3.3.0)
+    split (3.4.1)
       redis (>= 2.1)
       simple-random (>= 0.9.3)
       sinatra (>= 1.2.6)
@@ -118,7 +118,7 @@ GEM
     sqlite3 (1.3.13)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tilt (2.0.8)
+    tilt (2.0.10)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     websocket-driver (0.7.0)
@@ -131,7 +131,7 @@ PLATFORMS
 
 DEPENDENCIES
   rails (~> 5.2.2)
-  split (~> 3.3.0)
+  split (~> 3.4.1)
   sqlite3
 
 BUNDLED WITH