Merge pull request #160 from python-sprints/dependabot/bundler/nokogiri-1.10.4

Bump nokogiri from 1.8.2 to 1.10.4

Author: Cheukting

Gemfile.lock

@@ -191,14 +191,14 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minima (2.1.1)
       jekyll (~> 3.3)
     minitest (5.11.3)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     octokit (4.8.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.1)