chore(deps): update precommit hook asottile/add-trailing-comma to v2.1.0

Author: renovate-bot

.pre-commit-config.yaml

@@ -15,7 +15,7 @@ repos:
       - id: trailing-whitespace
       - id: no-commit-to-branch # No (direct) commits to master
   - repo: https://github.com/asottile/add-trailing-comma
-    rev: v2.0.1
+    rev: v2.1.0
     hooks:
       - id: add-trailing-comma
   - repo: https://github.com/pre-commit/mirrors-isort