Rab update filtering managed groups (#4821)

* renames managed groups filtering page, adds LDAP support

* updates managed groups filtering links and tutorials links

* Update website/content/docs/concepts/filtering/managed-groups.mdx

Co-authored-by: Jim <jlambert@hashicorp.com>

* docs: Edits

---------

Co-authored-by: Jim <jlambert@hashicorp.com>
Co-authored-by: Dan Heath <76443935+Dan-Heath@users.noreply.github.com>

website/data/docs-nav-data.json

@@ -396,8 +396,8 @@
             "path": "concepts/filtering"
           },
           {
-            "title": "OIDC managed groups",
-            "path": "concepts/filtering/oidc-managed-groups"
+            "title": "Managed groups",
+            "path": "concepts/filtering/managed-groups"
           },
           {
             "title": "Resource listing",