build: bump fastapi in /azurefunctions-extensions-http-fastapi

Bumps [fastapi](https://github.com/fastapi/fastapi) from 0.115.2 to 0.115.5.
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.115.2...0.115.5)

---
updated-dependencies:
- dependency-name: fastapi
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

azurefunctions-extensions-http-fastapi/pyproject.toml

@@ -26,7 +26,7 @@ classifiers= [
     ]
 dependencies = [
         'azurefunctions-extensions-base',
-        'fastapi==0.115.2',
+        'fastapi==0.115.5',
         'uvicorn==0.32.0',
         'pydantic==2.7.4',
     ]