Bump psycopg2-binary from 2.9.2 to 2.9.3 (#281)

Bumps [psycopg2-binary](https://github.com/psycopg/psycopg2) from 2.9.2 to 2.9.3.
- [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-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements_dev.txt

@@ -7,7 +7,7 @@ mypy==0.930
 pillow==8.4.0
 pip-tools==6.4.0
 pre-commit==2.16.0
-psycopg2-binary==2.9.2
+psycopg2-binary==2.9.3
 pycodestyle==2.8.0
 pydocstyle==6.1.1
 pytest==6.2.5