Update 4.0 based changes in the docs

[skkprogress]

Check the release notes at https://github.com/chef/supermarket/wiki/Pending-Release-Notes and determine what items here require updates to the chef-web-docs repo

[msys-sgarg]

Updated Omniauth version to 2.0
#1903

View cookbookbooks in sorted order by deprecated flag
#1838

All the icla/ccla configurations are removed
#2152

Markdown rendering update to match github style markdown rendering
#1831

Corrected Supermarket profile display in case of many contributors
#2139

Updated footer links to point to progress.com
#2155

UI updates for consistency purposes
#1974
#1975
#1973
#1971
#1966
#1965

[RajeshPaul38]

Fixed insecure redirections in supermarket
Changed cookie serializer from :hybrid to :json as hybrid serializer has security issues
#2016

Hide nginx server header from API response for supermarket
Replaced nginx with openresty for supermarket
#1978

Added slack username and removed irc nickname from user profile
#2150

Automated DB migration step in test env in github pipeline
#2173

CONTRIBUTION.md filename check made case insensitive for cookbook quality metric
Corrected github URL pattern REGEX to filter out non-github URLs
#1837

Updated developer documentation for supermarket

Created documentation for setting up test env in local for supermarket

[dheerajd-msys]

Updated Redis to 6.2.5
#1952

Supermarket packages are now produced for SLES 12 and 15
#1957

Ubuntu FIPS Support
#1956

Remove provisioning driver from tools directory
#1968

Updates nginx to 1.20.1
#1953

[saghoshprogress]

1. Update the ruby version from 2.6 to 2.7.4 and rails version from 5 to 6.1.2
   Upgraded to rails 6.1.4 #2078

[tas50]

I think most of these changes won't trigger necessary changes don't the docs site. Mostly we just need to review what docs are there and see if there's anywhere changes are necessary. Text updates, platform updates, or screenshot updates.