chore(internal): bump ruff dependency (#700)

Author: Stainless Bot

pyproject.toml

@@ -70,11 +70,12 @@ format = { chain = [
   "format:ruff",
   "format:docs",
   "fix:ruff",
+  # run formatting again to fix any inconsistencies when imports are stripped
+  "format:ruff",
 ]}
 "format:black" = "black ."
 "format:docs" = "python scripts/utils/ruffen-docs.py README.md api.md"
 "format:ruff" = "ruff format"
-"format:isort" = "isort ."
 
 "lint" = { chain = [
   "check:ruff",

requirements-dev.lock

@@ -120,7 +120,7 @@ respx==0.20.2
 rich==13.7.1
 rsa==4.9
     # via google-auth
-ruff==0.6.5
+ruff==0.6.9
 s3transfer==0.7.0
     # via boto3
 setuptools==68.2.2