Bump nokogiri from 1.6.8 to 1.10.10

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.6.8 to 1.10.10.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.6.8...v1.10.10)

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

Gemfile.lock

@@ -47,7 +47,7 @@ GEM
     bootstrap-sass (3.3.6)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (9.0.5)
     capybara (2.18.0)
       addressable
@@ -63,6 +63,7 @@ GEM
       mime-types (>= 1.16)
     cliver (0.3.2)
     concurrent-ruby (1.0.2)
+    crass (1.0.6)
     database_cleaner (1.8.5)
     debug_inspector (0.0.2)
     diff-lcs (1.4.4)
@@ -89,17 +90,18 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.3)
-    loofah (2.0.3)
+    json (1.8.6)
+    loofah (2.8.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (1.0.2)
-    mini_portile2 (2.1.0)
-    minitest (5.9.0)
+    mini_portile2 (2.4.0)
+    minitest (5.14.3)
     monetize (1.1.0)
       money (~> 6.5.0)
     money (6.5.1)
@@ -112,11 +114,9 @@ GEM
     multi_json (1.12.1)
     netrc (0.11.0)
     newrelic_rpm (3.16.0.318)
-    nokogiri (1.6.8)
-      mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     pg (0.18.4)
-    pkg-config (1.1.7)
     poltergeist (1.18.1)
       capybara (>= 2.1, < 4)
       cliver (~> 0.3.1)
@@ -125,7 +125,7 @@ GEM
     puma (3.5.2)
     quiet_assets (1.0.3)
       railties (>= 3.1, < 5.0)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.6)
@@ -141,12 +141,12 @@ GEM
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
@@ -203,12 +203,12 @@ GEM
     stripe (1.48.0)
       rest-client (>= 1.4, < 3.0)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (2.0.5)
     turbolinks (5.0.0)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.0)
-    tzinfo (1.2.2)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uglifier (3.0.0)
       execjs (>= 0.3.0, < 3)
@@ -223,8 +223,8 @@ GEM
     websocket-driver (0.7.3)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    xpath (2.1.0)
-      nokogiri (~> 1.3)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
 
 PLATFORMS
   ruby