fix: remove DB_PORT variable and use hardcoded value in CI workflow for consistency

.gitea/workflows/ci.yml

@@ -12,7 +12,6 @@ jobs:
       APT_CACHER_NG: http://192.168.88.14:3142
       DB_DRIVER: postgresql
       DB_HOST: postgres
-      DB_PORT: '5432'
       DB_NAME: calminer_test
       DB_USER: calminer
       DB_PASSWORD: calminer_password
@@ -63,7 +62,7 @@ jobs:
         env:
           DATABASE_DRIVER: postgresql+psycopg2
           DATABASE_HOST: ${ { env.DB_HOST } }
-          DATABASE_PORT: ${ { env.DB_PORT } }
+          DATABASE_PORT: 5432
           DATABASE_USER: ${ { env.DB_USER } }
           DATABASE_PASSWORD: ${ { env.DB_PASSWORD } }
           DATABASE_NAME: ${ { env.DB_NAME } }