Merge branch 'dependabot/bundler/nokogiri-1.16.5' of 'https://github.com/chaoss/grimoirelab-tutorial'

Merges #232
Closes #232

Author: sduenas

Gemfile.lock

@@ -227,15 +227,15 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.20.0)
     multipart-post (2.1.1)
-    nokogiri (1.15.4-x86_64-linux)
+    nokogiri (1.16.5-x86_64-linux)
       racc (~> 1.4)
     octokit (4.21.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
-    racc (1.7.1)
+    racc (1.8.1)
     rake (13.0.6)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)