Updated dead links in constants.py (#397)

* chore: Update dead links in constants.py

* Revised the link in the namespaces section of constants.py

* Updated the links pointing to roles and namespaces docs

* chore: auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/ansible_compat/constants.py

@@ -33,8 +33,8 @@
 role_name: my_name  # if absent directory name hosting role is used instead
 namespace: my_galaxy_namespace  # if absent, author is used instead
 
-Namespace: https://galaxy.ansible.com/docs/contributing/namespaces.html#galaxy-namespace-limitations
-Role: https://galaxy.ansible.com/docs/contributing/creating_role.html#role-names
+Namespace: https://old-galaxy.ansible.com/docs/contributing/namespaces.html#galaxy-namespace-limitations
+Role: https://old-galaxy.ansible.com/docs/contributing/creating_role.html#role-names
 
 As an alternative, you can add 'role-name' to either skip_list or warn_list.
 """