pip(deps): update uvicorn requirement from ==0.35.* to ==0.37.* in /backend (#120)

* pip(deps): update uvicorn requirement in /backend

Updates the requirements on [uvicorn](https://github.com/Kludex/uvicorn) to permit the latest version.
- [Release notes](https://github.com/Kludex/uvicorn/releases)
- [Changelog](https://github.com/Kludex/uvicorn/blob/main/docs/release-notes.md)
- [Commits](Kludex/uvicorn@0.35.0...0.37.0)

---
updated-dependencies:
- dependency-name: uvicorn
  dependency-version: 0.37.0
  dependency-type: direct:production
...

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

* Update requirements.txt

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: garotm <[email protected]>

Author: dependabot[bot]

backend/requirements.txt

@@ -9,8 +9,8 @@ google-api-python-client>=2.0.0
 pyjwt==2.10.*
 requests==2.32.*
 python-dateutil==2.9.*
+fastapi==0.118.*
 pydantic==2.11.9
-fastapi==0.115.12
 starlette==0.48.0
 python-multipart==0.0.20
 python-dotenv>=0.19.0
@@ -23,4 +23,4 @@ opencensus-ext-stackdriver==0.8.0
 opencensus==0.11.4
 
 # Server
-uvicorn==0.35.*
+uvicorn==0.37.*