Bump watchfiles from 0.21.0 to 0.22.0

Bumps [watchfiles](https://github.com/samuelcolvin/watchfiles) from 0.21.0 to 0.22.0.
- [Release notes](https://github.com/samuelcolvin/watchfiles/releases)
- [Commits](samuelcolvin/watchfiles@v0.21.0...v0.22.0)

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

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

Author: dependabot[bot]

src/requirements.txt

@@ -199,7 +199,7 @@ uvicorn[standard]==0.29.0
     #   fastapi_app (pyproject.toml)
 uvloop==0.19.0
     # via uvicorn
-watchfiles==0.21.0
+watchfiles==0.22.0
     # via uvicorn
 websockets==12.0
     # via uvicorn