[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/pyupgrade: v2.19.1 → v2.19.4](asottile/pyupgrade@v2.19.1...v2.19.4)
- [github.com/pre-commit/mirrors-mypy: v0.812 → v0.902](pre-commit/mirrors-mypy@v0.812...v0.902)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -35,11 +35,11 @@ repos:
     -   id: add-trailing-comma
         args: [--py36-plus]
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.19.1
+    rev: v2.19.4
     hooks:
     -   id: pyupgrade
         args: [--py36-plus]
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.812
+    rev: v0.902
     hooks:
     -   id: mypy