chore(deps): update psycopg requirement in /api

Updates the requirements on [psycopg](https://github.com/psycopg/psycopg) to permit the latest version.
- [Changelog](https://github.com/psycopg/psycopg/blob/master/docs/news.rst)
- [Commits](https://github.com/psycopg/psycopg/compare/3.1.10...3.1.12)

---
updated-dependencies:
- dependency-name: psycopg
  dependency-type: direct:production
...

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

api/requirements.txt

@@ -12,7 +12,7 @@ django-prometheus~=2.3.1
 dnspython~=2.4.2
 httpretty~=1.0.5  # 1.1 breaks tests. Does not run in production, so stick to it.
 pyotp~=2.9.0
-psycopg~=3.1.10
+psycopg~=3.1.12
 prometheus-client~=0.17.1  # added to control django-prometheus' dependency version
 psl-dns~=1.1.0
 pylibmc~=1.6.3