Relax rouge requirement (#18)

* Don't gitignore lock file

* Relax requirement on the rouge gem

.gitignore

@@ -1,6 +1,5 @@
 /.bundle/
 /.yardoc
-/Gemfile.lock
 /_yardoc/
 /coverage/
 /doc/

Gemfile.lock

@@ -0,0 +1,94 @@
+PATH
+  remote: .
+  specs:
+    graphql-rails_logger (1.2.4)
+      actionpack (> 5.0)
+      activesupport (> 5.0)
+      railties (> 5.0)
+      rouge (>= 3.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actionpack (6.1.4.7)
+      actionview (= 6.1.4.7)
+      activesupport (= 6.1.4.7)
+      rack (~> 2.0, >= 2.0.9)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actionview (6.1.4.7)
+      activesupport (= 6.1.4.7)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activesupport (6.1.4.7)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
+    builder (3.3.0)
+    concurrent-ruby (1.3.4)
+    crass (1.0.6)
+    erubi (1.13.0)
+    i18n (1.14.6)
+      concurrent-ruby (~> 1.0)
+    loofah (2.23.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    method_source (1.1.0)
+    minitest (5.25.1)
+    nokogiri (1.16.7-aarch64-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.7-arm-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.7-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.7-x86-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.7-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.7-x86_64-linux)
+      racc (~> 1.4)
+    racc (1.8.1)
+    rack (2.2.10)
+    rack-test (2.1.0)
+      rack (>= 1.3)
+    rails-dom-testing (2.2.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
+    railties (6.1.4.7)
+      actionpack (= 6.1.4.7)
+      activesupport (= 6.1.4.7)
+      method_source
+      rake (>= 0.13)
+      thor (~> 1.0)
+    rake (10.5.0)
+    rouge (4.5.1)
+    thor (1.3.2)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    zeitwerk (2.7.1)
+
+PLATFORMS
+  aarch64-linux
+  arm-linux
+  arm64-darwin
+  x86-linux
+  x86_64-darwin
+  x86_64-linux
+
+DEPENDENCIES
+  bundler
+  graphql-rails_logger!
+  rake (~> 10.0)
+  rouge
+
+BUNDLED WITH
+   2.5.20

graphql-rails_logger.gemspec

@@ -18,13 +18,13 @@ Gem::Specification.new do |spec|
   end
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'rouge', '~> 3.0'
+  spec.add_dependency 'rouge', '>= 3.0'
 
   # 5 because not tested with 4
   spec.add_dependency 'actionpack', '> 5.0'
   spec.add_dependency 'activesupport', '> 5.0'
   spec.add_dependency 'railties', '> 5.0'
 
-  spec.add_development_dependency 'bundler', '~> 1.15'
+  spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'rake', '~> 10.0'
 end