build(deps): bump nokogiri from 1.10.10 to 1.11.0

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.10 to 1.11.0.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.10.10...v1.11.0)

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

Gemfile

@@ -7,7 +7,7 @@ gem 'sysexits', '~> 1.2'
 gem 'http', '> 3.0'
 gem 'guess_html_encoding'
 gem 'charlock_holmes', '~> 0.7'
-gem 'nokogiri', '~> 1.6'
+gem 'nokogiri', '~> 1.11'
 gem 'd1lcs'
 gem 'json'
 gem 'mail', '~> 2.7'

Gemfile.lock

@@ -73,13 +73,16 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.0512)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.0)
     minitest (5.14.1)
     multipart-post (2.1.1)
     naught (1.1.0)
     netrc (0.11.0)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.0)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    nokogiri (1.11.0-x86_64-linux)
+      racc (~> 1.4)
     opus-ruby (1.0.1)
       ffi
     parallel (1.19.2)
@@ -89,6 +92,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.5)
+    racc (1.5.2)
     rainbow (3.0.0)
     rake (13.0.1)
     rbnacl (3.4.0)
@@ -186,7 +190,7 @@ DEPENDENCIES
   lumberjack (~> 1.0)
   mail (~> 2.7)
   mcinch
-  nokogiri (~> 1.6)
+  nokogiri (~> 1.11)
   pry (~> 0.10)
   rake (~> 13.0)
   rspec (~> 3.1)