Apply suggestions from code review

Author: OskarStark

.github/workflows/ci.yaml

@@ -18,14 +18,14 @@ jobs:
 
         services:
             mongodb_primary:
-                image: mongo:8-jammy
+                image: mongo:8
                 env:
                     MONGO_INITDB_ROOT_USERNAME: "primary"
                     MONGO_INITDB_ROOT_PASSWORD: "password"
                 ports:
                     - "27017:27017"
             mongodb_secondary:
-                image: mongo:8-jammy
+                image: mongo:8
                 env:
                     MONGO_INITDB_ROOT_USERNAME: "secondary"
                     MONGO_INITDB_ROOT_PASSWORD: "password"