Bump psycopg2-binary from 2.8.5 to 2.8.6

Bumps [psycopg2-binary](https://github.com/psycopg/psycopg2) from 2.8.5 to 2.8.6.
- [Release notes](https://github.com/psycopg/psycopg2/releases)
- [Changelog](https://github.com/psycopg/psycopg2/blob/master/NEWS)
- [Commits](https://github.com/psycopg/psycopg2/commits)

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

Author: dependabot-preview[bot]

poetry.lock

@@ -17,7 +17,7 @@ Flask-Cors = "3.0.9"
 Flask-Limiter = "1.4"
 Flask-Migrate = "2.5.3"
 prometheus_client = "0.8.0"
-psycopg2-binary = "2.8.5"
+psycopg2-binary = "2.8.6"
 py-healthcheck = "1.10.1"
 pytest = "6.0.1"
 pytest-mock = "3.3.1"