Bump nokogiri from 1.6.6.2 to 1.10.4

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.6.6.2 to 1.10.4.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.6.6.2...v1.10.4)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -109,13 +109,13 @@ GEM
     inflecto (0.0.2)
     ipaddress (0.8.0)
     mime-types (2.6.2)
-    mini_portile (0.6.2)
+    mini_portile2 (2.4.0)
     multi_json (1.11.2)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (3.0.1)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     rake (10.4.2)
 
 PLATFORMS