Bump psycopg[c] from 3.1.9 to 3.1.11

Bumps [psycopg[c]](https://github.com/psycopg/psycopg) from 3.1.9 to 3.1.11.
- [Changelog](https://github.com/psycopg/psycopg/blob/master/docs/news.rst)
- [Commits](psycopg/psycopg@3.1.9...3.1.11)

---
updated-dependencies:
- dependency-name: psycopg[c]
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements/production.txt

@@ -3,7 +3,7 @@
 -r base.txt
 
 gunicorn==21.2.0  # https://github.com/benoitc/gunicorn
-psycopg[c]==3.1.9  # https://github.com/psycopg/psycopg
+psycopg[c]==3.1.11  # https://github.com/psycopg/psycopg
 Collectfast==2.2.0  # https://github.com/antonagestam/collectfast
 
 # Django