Bump nokogiri from 1.8.2 to 1.12.5#19

dependabot[bot] wants to merge 1 commit intomasterAndrejGajdos/nested-datatables:masterfrom

dependabot/bundler/nokogiri-1.12.5AndrejGajdos/nested-datatables:dependabot/bundler/nokogiri-1.12.5Copy head branch name to clipboard