Bump psycopg[binary] from 3.2.4 to 3.2.6 in /requirements

Bumps [psycopg[binary]](https://github.com/psycopg/psycopg) from 3.2.4 to 3.2.6.
- [Changelog](https://github.com/psycopg/psycopg/blob/master/docs/news.rst)
- [Commits](psycopg/psycopg@3.2.4...3.2.6)

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

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

Author: dependabot[bot]

requirements/postgres.txt

@@ -1 +1 @@
-psycopg[binary]==3.2.4
+psycopg[binary]==3.2.6