Bump starlette from 0.26.1 to 0.27.0

Bumps [starlette](https://github.com/encode/starlette) from 0.26.1 to 0.27.0.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](encode/starlette@0.26.1...0.27.0)

---
updated-dependencies:
- dependency-name: starlette
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

poetry.lock

@@ -96,7 +96,7 @@ responses = "*"
 strict-rfc3339 = "^0.7"
 webob = "*"
 mypy = "^1.2"
-starlette = "^0.26.1"
+starlette = "^0.27.0"
 httpx = "^0.24.0"
 
 [tool.poetry.group.docs.dependencies]