[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/PyCQA/autoflake: v2.2.0 → v2.2.1](PyCQA/autoflake@v2.2.0...v2.2.1)
- [github.com/psf/black: 23.7.0 → 23.9.1](psf/black@23.7.0...23.9.1)
- [github.com/asottile/blacken-docs: 1.15.0 → 1.16.0](adamchainz/blacken-docs@1.15.0...1.16.0)

.pre-commit-config.yaml

@@ -38,7 +38,7 @@ repos:
       exclude: "asdf/extern/.*"
 
 - repo: https://github.com/PyCQA/autoflake
-  rev: v2.2.0
+  rev: v2.2.1
   hooks:
   - id: autoflake
 
@@ -48,12 +48,12 @@ repos:
     - id: isort
 
 - repo: https://github.com/psf/black
-  rev: 23.7.0
+  rev: 23.9.1
   hooks:
     - id: black
 
 - repo: https://github.com/asottile/blacken-docs
-  rev: 1.15.0
+  rev: 1.16.0
   hooks:
     - id: blacken-docs