Updated files with 'repo_helper'. (#12)

Co-authored-by: repo-helper[bot] <74742576+repo-helper[bot]@users.noreply.github.com>

Author: repo-helper[bot]

.pre-commit-config.yaml

@@ -40,7 +40,7 @@ repos:
     - id: bind-requirements
 
  - repo: https://github.com/domdfcoding/flake8-dunder-all
-   rev: v0.1.7
+   rev: v0.1.8
    hooks:
     - id: ensure-dunder-all
       files: ^snippet_fmt/.*\.py$