[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 23.3.0 → 23.7.0](psf/black@23.3.0...23.7.0)
- [github.com/adamchainz/blacken-docs: 1.13.0 → 1.15.0](adamchainz/blacken-docs@1.13.0...1.15.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -35,7 +35,7 @@ repos:
       - id: isort
 
   - repo: https://github.com/psf/black
-    rev: 23.3.0
+    rev: 23.7.0
     hooks:
       - id: black
         args: [--safe]
@@ -46,7 +46,7 @@ repos:
       - id: nbstripout
 
   - repo: https://github.com/adamchainz/blacken-docs
-    rev: 1.13.0
+    rev: 1.15.0
     hooks:
       - id: blacken-docs
         additional_dependencies: [black==23.3.0]