chore(python-deps): bump locust from 2.39.1 to 2.40.1

Bumps [locust](https://github.com/locustio/locust) from 2.39.1 to 2.40.1.
- [Release notes](https://github.com/locustio/locust/releases)
- [Changelog](https://github.com/locustio/locust/blob/master/CHANGELOG.md)
- [Commits](https://github.com/locustio/locust/compare/2.39.1...2.40.1)

---
updated-dependencies:
- dependency-name: locust
  dependency-version: 2.40.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

uv.lock

@@ -895,7 +895,6 @@ dependencies = [
     { name = "numpy" },
     { name = "packaging" },
 ]
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-
 [[package]]
 name = "llama-stack"
 version = "0.2.20"
@@ -2025,7 +2023,7 @@ wheels = [
 
 [[package]]
 name = "locust"
-version = "2.39.1"
+version = "2.40.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "configargparse" },
@@ -2037,6 +2035,7 @@ dependencies = [
     { name = "locust-cloud" },
     { name = "msgpack" },
     { name = "psutil" },
+    { name = "pytest" },
     { name = "python-engineio" },
     { name = "python-socketio", extra = ["client"] },
     { name = "pywin32", marker = "sys_platform == 'win32'" },
@@ -2045,9 +2044,9 @@ dependencies = [
     { name = "setuptools" },
     { name = "werkzeug" },
 ]
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 [[package]]