Merge pull request #824 from nyaruka/newer_redis_and_postgres

Test against postgresql 17

Author: rowanseymour

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
         ports:
           - 6379:6379
       postgres:
-        image: postgres:15-alpine
+        image: postgres:17-alpine
         env:
           POSTGRES_DB: courier_test
           POSTGRES_USER: courier_test