🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Author: gcf-owl-bot[bot]

samples/samples/noxfile.py

@@ -29,7 +29,7 @@
 # WARNING - WARNING - WARNING - WARNING - WARNING
 # WARNING - WARNING - WARNING - WARNING - WARNING
 
-BLACK_VERSION = "black==22.3.0"
+BLACK_VERSION = "black==23.7.0"
 ISORT_VERSION = "isort==5.10.1"
 
 # Copy `noxfile_config.py` to your directory and modify it instead.