Bump psycopg2-binary from 2.9.1 to 2.9.3 (#99)

Bumps [psycopg2-binary](https://github.com/psycopg/psycopg2) from 2.9.1 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:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -7,5 +7,5 @@ Flask==2.0.2
 Werkzeug==2.0.2
 Flask_Migrate==3.1.0
 gunicorn==20.1.0
-psycopg2-binary==2.9.1
+psycopg2-binary==2.9.3
 pytest-cov==3.0.0