fix: add notification library dependency

Author: giancarloromeo

services/notifications/requirements/_base.in

@@ -8,9 +8,9 @@
 # intra-repo required dependencies
 --requirement ../../../packages/celery-library/requirements/_base.in
 --requirement ../../../packages/common-library/requirements/_base.in
+--requirement ../../../packages/notifications-library/requirements/_base.in
 --requirement ../../../packages/models-library/requirements/_base.in
 --requirement ../../../packages/settings-library/requirements/_base.in
---requirement ../../../packages/postgres-database/requirements/_base.in
 # service-library[fastapi]
 --requirement ../../../packages/service-library/requirements/_base.in
 --requirement ../../../packages/service-library/requirements/_fastapi.in