[pre-commit.ci] pre-commit autoupdate (#29)

updates:
- [github.com/asottile/add-trailing-comma: v2.5.1 → v3.0.0](asottile/add-trailing-comma@v2.5.1...v3.0.0)

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

.pre-commit-config.yaml

@@ -27,7 +27,7 @@ repos:
         args: [--filter-files]
         files: \.py$
     - repo: https://github.com/asottile/add-trailing-comma
-      rev: v2.5.1
+      rev: v3.0.0
       hooks:
           - id: add-trailing-comma
             # Should be activated if we are Python 3 only. PY3