Bump pre-commits: `black` and `pyupgrade` (#18782)
Bump pre-commits: `black` and `pyupgrade` (#18782)

```
https://github.com/asottile/pyupgrade : v2.25.1 -> v2.29.0.
https://github.com/psf/black: 21.8b0 -> 21.9b0.
```
danielvdende/incubator-airflow,cfei18/incubator-airflow,mistercrunch/airflow,cfei18/incubator-airflow,danielvdende/incubator-airflow,danielvdende/incubator-airflow,apache/airflow,apache/incubator-airflow,bolkedebruin/airflow,apache/airflow,apache/incubator-airflow,apache/incubator-airflow,lyft/incubator-airflow,nathanielvarona/airflow,cfei18/incubator-airflow,danielvdende/incubator-airflow,bolkedebruin/airflow,nathanielvarona/airflow,lyft/incubator-airflow,mistercrunch/airflow,Acehaidrey/incubator-airflow,mistercrunch/airflow,cfei18/incubator-airflow,bolkedebruin/airflow,apache/airflow,nathanielvarona/airflow,lyft/incubator-airflow,mistercrunch/airflow,nathanielvarona/airflow,apache/incubator-airflow,cfei18/incubator-airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow,apache/airflow,apache/airflow,Acehaidrey/incubator-airflow,bolkedebruin/airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,cfei18/incubator-airflow,bolkedebruin/airflow,Acehaidrey/incubator-airflow,apache/airflow,lyft/incubator-airflow,danielvdende/incubator-airflow