Release bundler version restriction

Author: dhh

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    geared_pagination (1.1.2)
+    geared_pagination (1.2.0)
       activesupport (>= 5.0)
       addressable (>= 2.5.0)
 
@@ -73,8 +73,8 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.5)
+      public_suffix (>= 2.0.2, < 6.0)
     builder (3.2.4)
     byebug (11.1.3)
     concurrent-ruby (1.1.10)
@@ -113,7 +113,7 @@ GEM
     nokogiri (1.13.6)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    public_suffix (4.0.7)
+    public_suffix (5.0.4)
     racc (1.6.0)
     rack (2.2.3.1)
     rack-test (1.1.0)
@@ -160,7 +160,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.12)
+  bundler
   byebug
   geared_pagination!
   rails (>= 5.0)

geared_pagination.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'activesupport', '>= 5.0'
   s.add_dependency 'addressable', '>= 2.5.0'
 
-  s.add_development_dependency 'bundler', '~> 1.12'
+  s.add_development_dependency 'bundler'
 
   s.files      = `git ls-files`.split("\n")
   s.test_files = `git ls-files -- test/*`.split("\n")