Merge #1246 (update psycopg2 to 2.9.4)

Author: martey

requirements/production.txt

@@ -15,7 +15,7 @@ gunicorn==20.1.0
 pinax-eventlog==5.1.1
 pip==22.3
 -e git+https://github.com/pretalx/pretalx@11652a5857316b2280b16305621a0088d19adf12#egg=pretalx[redis]&subdirectory=src
-psycopg2==2.9.3
+psycopg2==2.9.4
 pytz==2022.5
 sentry-sdk==1.10.0
 virtualenv==20.16.5