chore(deps): bump uvicorn from 0.34.0 to 0.53.0 in /backend

Bumps [uvicorn](https://github.com/Kludex/uvicorn) from 0.34.0 to 0.53.0.
- [Release notes](https://github.com/Kludex/uvicorn/releases)
- [Changelog](https://github.com/Kludex/uvicorn/blob/main/docs/release-notes.md)
- [Commits](https://github.com/Kludex/uvicorn/compare/0.34.0...0.53.0)

---
updated-dependencies:
- dependency-name: uvicorn
  dependency-version: 0.53.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

backend/pyproject.toml

@@ -37,7 +37,7 @@ dependencies = [
     "slowapi==0.1.9",
     "starlette==1.0.1",
     "vaderSentiment>=3.3.0",
-    "uvicorn==0.34.0",
+    "uvicorn==0.53.0",
     "yfinance==1.3.0",
 ]