Bump starlette from 0.38.5 to 0.40.0

Bumps [starlette](https://github.com/encode/starlette) from 0.38.5 to 0.40.0.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](encode/starlette@0.38.5...0.40.0)

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

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

doc-requirements.txt

@@ -152,7 +152,7 @@ sphinxcontrib-qthelp==2.0.0
     # via sphinx
 sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
-starlette==0.38.5
+starlette==0.40.0
     # via sphinx-autobuild
 tomli==2.0.1
     # via appdaemon (pyproject.toml)