Auto-update pre-commit hooks (#404)

Author: github-actions[bot]

.pre-commit-config.yaml

@@ -49,7 +49,7 @@ repos:
         args: [--py36-plus]
 
   - repo: https://github.com/psf/black
-    rev: 26.3.1
+    rev: 26.5.1
     hooks:
       - id: black
         args: ["--line-length=100"]