Update release notes for 13.2.0
Update release notes for 13.2.0

Signed-off-by: Prajakta Purohit <e0b6074fb36005ab38b637036277c00627bb386c@chef.io>
Co-Authored-By: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>
Co-Authored-By: Mark Anderson <f1b5a91d4d6ad523f2610114591c007e75d15084@chef.io>
Signed-off-by: Prajakta Purohit <e0b6074fb36005ab38b637036277c00627bb386c@chef.io>

chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server