Merge pull request #100 from jupyterhub/pre-commit-ci-update-config

[pre-commit.ci] pre-commit autoupdate

Author: minrk

.pre-commit-config.yaml

@@ -11,7 +11,7 @@
 repos:
   # Autoformat: Python code, syntax patterns are modernized
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.20.0
+    rev: v3.21.0
     hooks:
       - id: pyupgrade
         args:
@@ -28,13 +28,13 @@ repos:
 
   # Autoformat: Python code
   - repo: https://github.com/pycqa/isort
-    rev: 6.0.1
+    rev: 7.0.0
     hooks:
       - id: isort
 
   # Autoformat: Python code
-  - repo: https://github.com/psf/black
-    rev: 25.1.0
+  - repo: https://github.com/psf/black-pre-commit-mirror
+    rev: 25.9.0
     hooks:
       - id: black