feat: update website to support Ruby 3.3.5 compatibility (from 3.1.1)

[Shantanugupta43]

I made this website compatible with the latest Ruby version 3.3.5 as the package was too old and repository config was crashing locally when bundle update was run due to the latest version.

Error

PS C:\Users\gupta\Downloads\expresswebsite\expressjs.com> bundle install
Your Ruby version is 3.3.5, but your Gemfile specified 3.1.1

Latest Ruby release

After updating to latest version