[pre-commit.ci] pre-commit autoupdate (#734)

updates:
- [github.com/asottile/pyupgrade: v3.15.0 → v3.15.1](asottile/pyupgrade@v3.15.0...v3.15.1)

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

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -3,7 +3,7 @@ exclude: "migrations"
 
 repos:
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.15.0
+    rev: v3.15.1
     hooks:
       - id: pyupgrade
         args: ["--py37-plus"]