Update uvicorn requirement from <0.25 to <0.31

Updates the requirements on [uvicorn](https://github.com/encode/uvicorn) to permit the latest version.
- [Release notes](https://github.com/encode/uvicorn/releases)
- [Changelog](https://github.com/encode/uvicorn/blob/master/CHANGELOG.md)
- [Commits](encode/uvicorn@0.0.1...0.30.1)

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

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

pyproject.toml

@@ -160,7 +160,7 @@ release = [
 ]
 service = [
   "fastapi<0.105",
-  "uvicorn<0.25",
+  "uvicorn<0.31",
 ]
 test = [
   "cratedb-toolkit[testing]",