[pre-commit.ci] pre-commit autoupdate (#1328)

updates:
- [github.com/asottile/pyupgrade: v2.29.1 → v2.31.0](asottile/pyupgrade@v2.29.1...v2.31.0)

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

.pre-commit-config.yaml

@@ -21,7 +21,7 @@ repos:
           - --remove-duplicate-keys
           - --remove-unused-variables
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.29.1
+    rev: v2.31.0
     hooks:
       - id: pyupgrade
         exclude: tests/testdata