Update slather dependencies

Author: rubikzube

Gemfile.lock

@@ -1,34 +1,34 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    CFPropertyList (2.3.6)
-    activesupport (5.2.2)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
+    CFPropertyList (3.0.1)
+    activesupport (4.2.11.1)
+      i18n (~> 0.7)
       minitest (~> 5.1)
+      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     atomos (0.1.3)
-    claide (1.0.2)
-    clamp (0.6.5)
+    claide (1.0.3)
+    clamp (1.3.1)
     colored2 (3.1.2)
-    concurrent-ruby (1.1.3)
-    i18n (1.2.0)
+    concurrent-ruby (1.1.5)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    mini_portile2 (2.3.0)
-    minitest (5.11.3)
+    mini_portile2 (2.4.0)
+    minitest (5.12.2)
     nanaimo (0.2.6)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
-    slather (2.4.6)
-      CFPropertyList (~> 2.2)
-      activesupport (>= 4.0.2)
-      clamp (~> 0.6)
-      nokogiri (~> 1.8.2)
-      xcodeproj (~> 1.4)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
+    slather (2.4.7)
+      CFPropertyList (>= 2.2, < 4)
+      activesupport (>= 4.0.2, < 5)
+      clamp (~> 1.3)
+      nokogiri (~> 1.8)
+      xcodeproj (~> 1.7)
     thread_safe (0.3.6)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    xcodeproj (1.7.0)
+    xcodeproj (1.13.0)
       CFPropertyList (>= 2.3.3, < 4.0)
       atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)