build(deps-dev): bump psycopg2-binary from 2.8.6 to 2.9.1

Bumps [psycopg2-binary](https://github.com/psycopg/psycopg2) from 2.8.6 to 2.9.1.
- [Release notes](https://github.com/psycopg/psycopg2/releases)
- [Changelog](https://github.com/psycopg/psycopg2/blob/master/NEWS)
- [Commits](https://github.com/psycopg/psycopg2/commits)

---
updated-dependencies:
- dependency-name: psycopg2-binary
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

poetry.lock

@@ -84,7 +84,7 @@ pytest-pythonpath = "^0.7.3"
 pytest-django = "^4.4.0"
 black = "^21.10b0"
 python-decouple = "^3.5"
-psycopg2-binary = "~2.8.0"
+psycopg2-binary = "~2.9.1"
 pytest-deadfixtures = "^2.2.1"
 pytest-testmon = "^1.2.2"
 pytest-timeout = "^2.0.1"