Merge pull request #2009 from freeCodeCamp/renovate/nokogiri-1.x-lockfile

chore(deps): update dependency nokogiri to v1.15.3

Gemfile.lock

@@ -55,7 +55,7 @@ GEM
       net-ssh (>= 5.0.0, < 8.0.0)
     net-ssh (7.0.1)
     newrelic_rpm (8.16.0)
-    nokogiri (1.15.2)
+    nokogiri (1.15.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     options (2.3.2)