Update jekyll versions for docs

[jgadsden]

Describe what problem your feature request solves
The ruby gem files reference out of date versions

Describe the solution you'd like
update docs gem files for up to date versions

Additional context

[abhayporwals]

Hey @jgadsden! I found that the latest version of jekyll is 4.3.3

[github-actions]

This issue is stale because it has been open for more than 6 months with no activity