[pre-commit.ci] pre-commit autoupdate (#72)

updates:
- [github.com/asottile/pyupgrade: v2.29.1 → v2.31.0](asottile/pyupgrade@v2.29.1...v2.31.0)
- [github.com/pre-commit/pre-commit-hooks: v4.0.1 → v4.1.0](pre-commit/pre-commit-hooks@v4.0.1...v4.1.0)

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

.pre-commit-config.yaml

@@ -2,7 +2,7 @@ default_language_version:
   python: python3.7
 repos:
   - repo: 'https://github.com/asottile/pyupgrade'
-    rev: v2.29.1
+    rev: v2.31.0
     hooks:
       - id: pyupgrade
         args:
@@ -26,7 +26,7 @@ repos:
     hooks:
       - id: isort
   - repo: 'https://github.com/pre-commit/pre-commit-hooks'
-    rev: v4.0.1
+    rev: v4.1.0
     hooks:
       - id: check-case-conflict
       - id: check-merge-conflict