Bump psycopg[binary] from 3.2.1 to 3.2.3 in /requirements (#1398)

* Bump psycopg[binary] from 3.2.1 to 3.2.3 in /requirements

Bumps [psycopg[binary]](https://github.com/psycopg/psycopg) from 3.2.1 to 3.2.3.
- [Changelog](https://github.com/psycopg/psycopg/blob/master/docs/news.rst)
- [Commits](psycopg/psycopg@3.2.1...3.2.3)

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

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

* Test psycopg with Python 3.13

This was made possible with release 3.2.2 - see https://github.com/psycopg/psycopg/blob/3.2.3/docs/news.rst#psycopg-322

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Anders <[email protected]>

requirements/postgres.txt

@@ -1 +1 @@
-psycopg[binary]==3.2.1
+psycopg[binary]==3.2.3

tox.ini

@@ -1,11 +1,8 @@
 [tox]
 envlist =
-    py{38,39,310,311,312}-dj42-{sqlite3,postgres,mysql,mariadb},
-    py{310,311,312}-dj50-{sqlite3,postgres,mysql,mariadb},
-    py{310,311,312}-djmain-{sqlite3,postgres,mysql,mariadb},
-    # DEV: Add `313` to the Python versions above (so that postgres is tested with 3.13)
-    #      when `psycopg` provides binaries for 3.13
-    py313-dj{42,50,main}-{sqlite3,mysql,mariadb},
+    py{38,39,310,311,312,313}-dj42-{sqlite3,postgres,mysql,mariadb},
+    py{310,311,312,313}-dj50-{sqlite3,postgres,mysql,mariadb},
+    py{310,311,312,313}-djmain-{sqlite3,postgres,mysql,mariadb},
     docs,
     lint