Bump nokogiri from 1.8.2 to 1.8.5 in /website

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.8.2 to 1.8.5.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/compare/v1.8.2...v1.8.5)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/website/Gemfile b/website/Gemfile
index 2583055..945ea1c 100644
--- a/website/Gemfile
+++ b/website/Gemfile
@@ -1,6 +1,6 @@
 source 'http://rubygems.org'
 gem 'jekyll'
-gem 'nokogiri', '1.8.2'
+gem 'nokogiri', '1.8.5'
 gem 'jekyll-redirect-from'
 gem 'html-proofer'
 gem 'RbST'
diff --git a/website/Gemfile.lock b/website/Gemfile.lock
index 6011223..0c1de1a 100644
--- a/website/Gemfile.lock
+++ b/website/Gemfile.lock
@@ -60,7 +60,7 @@
     mercenary (0.3.6)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
-    nokogiri (1.8.2)
+    nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     parallel (1.12.1)
     pathutil (0.16.1)
@@ -92,7 +92,7 @@
   html-proofer
   jekyll
   jekyll-redirect-from
-  nokogiri (= 1.8.2)
+  nokogiri (= 1.8.5)
 
 BUNDLED WITH
    1.16.2