Bump python-dotenv from 0.19.2 to 0.20.0

Bumps [python-dotenv](https://github.com/theskumar/python-dotenv) from 0.19.2 to 0.20.0.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/master/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v0.19.2...v0.20.0)

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

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

Author: dependabot[bot]

poetry.lock

@@ -11,7 +11,7 @@ starlette = "^0.20.4"
 nested_dict = "^1.61"
 uvicorn = {extras = ["standard"], version = "^0.18.2"}
 motor = "3.0.0"
-python-dotenv = "^0.19.2"
+python-dotenv = "^0.20.0"
 pyjwt = "^2.4.0"
 httpx = "^0.23.0"
 gunicorn = "^20.1.0"