Merge branch 'docs-saml-badlink' into 'master'

Update saml_sso/index.md to fix link

See merge request gitlab-org/gitlab-ee!6196

doc/user/group/saml_sso/index.md

 # SAML SSO for Groups (Beta) **[PREMIUM]**
 
-> Introduced in [GitLab Premium][https://about.gitlab.com/products/] 10.7.
+> Introduced in [GitLab Premium](https://about.gitlab.com/pricing/) 10.7.
 
 This allows SAML to be used for adding users to a group on GitLab.com and other instances where using [site-wide SAML](../../../integration/saml.md) is not possible.