[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/pyupgrade: v2.29.0 → v2.29.1](https://github.com/asottile/pyupgrade/compare/v2.29.0...v2.29.1)
- [github.com/asottile/add-trailing-comma: v2.2.0 → v2.2.1](https://github.com/asottile/add-trailing-comma/compare/v2.2.0...v2.2.1)
- [github.com/asottile/setup-cfg-fmt: v1.19.0 → v1.20.0](https://github.com/asottile/setup-cfg-fmt/compare/v1.19.0...v1.20.0)

.pre-commit-config.yaml

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 3cfd5f3..3596edc 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,17 +27,17 @@
     -   id: reorder-python-imports
         args: [--py3-plus]
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.29.0
+    rev: v2.29.1
     hooks:
     -   id: pyupgrade
         args: [--py36-plus]
 -   repo: https://github.com/asottile/add-trailing-comma
-    rev: v2.2.0
+    rev: v2.2.1
     hooks:
     -   id: add-trailing-comma
         args: [--py36-plus]
 -   repo: https://github.com/asottile/setup-cfg-fmt
-    rev: v1.19.0
+    rev: v1.20.0
     hooks:
     -   id: setup-cfg-fmt
 -   repo: https://github.com/pre-commit/mirrors-mypy