⬆ Update starlette requirement from <0.38.0,>=0.37.2 to >=0.37.2,<0.39.0

Updates the requirements on [starlette](https://github.com/encode/starlette) to permit the latest version.
- [Release notes](https://github.com/encode/starlette/releases)
- [Changelog](https://github.com/encode/starlette/blob/master/docs/release-notes.md)
- [Commits](encode/starlette@0.37.2...0.38.2)

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

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

pyproject.toml

@@ -41,7 +41,7 @@ classifiers = [
     "Topic :: Internet :: WWW/HTTP",
 ]
 dependencies = [
-    "starlette>=0.37.2,<0.38.0",
+    "starlette>=0.37.2,<0.39.0",
     "pydantic>=1.7.4,!=1.8,!=1.8.1,!=2.0.0,!=2.0.1,!=2.1.0,<3.0.0",
     "typing-extensions>=4.8.0",
 ]