Bump python-dotenv from 0.21.1 to 1.0.0

Bumps [python-dotenv](https://github.com/theskumar/python-dotenv) from 0.21.1 to 1.0.0.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v0.21.1...v1.0.0)

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

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

src/requirements.txt

@@ -3,6 +3,6 @@ Flask-Migrate==4.0.5
 Flask-SQLAlchemy==3.1.1
 Flask-WTF==1.1.1
 psycopg2==2.9.7
-python-dotenv==0.21.1 # Pinned lower due to docker-compose incompatibility
+python-dotenv==1.0.0 # Pinned lower due to docker-compose incompatibility
 SQLAlchemy==2.0.20
 gunicorn==21.2.0