Add galaxy.html#dependencies link (#49984)

* Add galaxy.html#dependencies link

+label: docsite_pr

docs/docsite/rst/reference_appendices/galaxy.rst

@@ -168,6 +168,8 @@ Content of the *webserver.yml* file:
     - src: git+https://bitbucket.org/willthames/git-ansible-galaxy
       version: v1.4
 
+.. _galaxy_dependencies:
+
 Dependencies
 ============
 

docs/docsite/rst/user_guide/playbooks_reuse_roles.rst

@@ -284,8 +284,8 @@ Role dependencies allow you to automatically pull in other roles when using a ro
 
 .. note::
     Role dependencies must use the classic role definition style.
-
-Role dependencies are always executed before the role that includes them, and may be recursive. Dependencies also follow the duplication rules specified above. If another role also lists it as a dependency, it will not be run again based on the same rules given above.
+    
+Role dependencies are always executed before the role that includes them, and may be recursive. Dependencies also follow the duplication rules specified above. If another role also lists it as a dependency, it will not be run again based on the same rules given above. See :ref:`Galaxy role dependencies <galaxy_dependencies>` for more details.
 
 .. note::
     Always remember that when using ``allow_duplicates: true``, it needs to be in the dependent role's ``meta/main.yml``, not the parent.