Bump nokogiri from 1.10.0 to 1.10.4

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.0 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@v1.10.0...v1.10.4)

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

Author: dependabot[bot]

Gemfile.lock

@@ -59,7 +59,7 @@ GEM
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
-    nokogiri (1.10.0)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     parallel (1.12.1)
     pathutil (0.16.2)
@@ -98,4 +98,4 @@ DEPENDENCIES
   jekyll-redirect-from
   kramdown
   rack-jekyll
-  rake
+  rake