Bump psycopg2 from 2.9.6 to 2.9.7 in /bodhi-server

Bumps [psycopg2](https://github.com/psycopg/psycopg2) from 2.9.6 to 2.9.7.
- [Changelog](https://github.com/psycopg/psycopg2/blob/master/NEWS)
- [Commits](psycopg/psycopg2@2.9.6...2.9.7)

---
updated-dependencies:
- dependency-name: psycopg2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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