Update nokogiri requirement from ~> 1.6.0 to >= 1.6, < 1.11

Updates the requirements on [nokogiri](https://github.com/sparklemotion/nokogiri) to permit the latest version.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.6.0...v1.10.4)

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

Gemfile.lock

@@ -4,7 +4,7 @@ PATH
     apt-spy2 (0.5.1)
       colored (>= 1.2)
       json
-      nokogiri (~> 1.6.0)
+      nokogiri (>= 1.6, < 1.11)
       thor (>= 0.18.1)
 
 GEM
@@ -26,12 +26,12 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mini_portile (0.5.1)
+    mini_portile2 (2.4.0)
     minitest (5.0.8)
     multi_json (1.8.0)
     netrc (0.11.0)
-    nokogiri (1.6.0)
-      mini_portile (~> 0.5.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     rake (12.3.3)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)

apt-spy2.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'thor', '>= 0.18.1'
   spec.add_dependency 'colored', '>= 1.2'
   spec.add_dependency 'json'
-  spec.add_dependency 'nokogiri', '~> 1.6.0'
+  spec.add_dependency 'nokogiri', '>= 1.6', '< 1.11'
 
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"