Revert ansible-lint version update

The v5 release of ansible-lint introduces breaking changes, so we are holding
off on updating until things are resolved. Conversation about this can be
tracked in https://github.com/cisagov/skeleton-ansible-role/issues/69.

.pre-commit-config.yaml

@@ -85,7 +85,9 @@ repos:
 
   # Ansible hooks
   - repo: https://github.com/ansible-community/ansible-lint
-    rev: v5.0.0
+    # This is intentionally being held back because of issues in v5 per
+    # https://github.com/cisagov/skeleton-ansible-role/issues/69
+    rev: v4.3.7
     hooks:
       - id: ansible-lint
       # files: molecule/default/playbook.yml