Updating deprecated configuration in examples (#26037)
Updating deprecated configuration in examples (#26037)

```
/home/airflow/.local/lib/python3.9/site-packages/airflow/configuration.py:528 DeprecationWarning: The sql_alchemy_schema option in [core] has been moved to the sql_alchemy_schema option in [database] - the old setting has been used, but please update your config.
```
nathanielvarona/airflow,nathanielvarona/airflow,nathanielvarona/airflow,nathanielvarona/airflow,cfei18/incubator-airflow,apache/airflow,nathanielvarona/airflow,nathanielvarona/airflow,apache/airflow,cfei18/incubator-airflow,cfei18/incubator-airflow,apache/airflow,cfei18/incubator-airflow,cfei18/incubator-airflow,apache/airflow,apache/airflow,apache/airflow,cfei18/incubator-airflow