Rename SCIM provisioning to Configure SCIM to match updates to page

For technical-writing#579 (closed) and based on updates in: gitlab!93637 (merged), rename the SCIM provisioning menu item to better match changes on the page.

• Before: https://docs.gitlab.com/ee/user/group/saml_sso/scim_setup.html
• After: http://eread-rename-scim-provisioning-menu-item.35.193.151.162.nip.io/ee/user/group/saml_sso/scim_setup.html