Relax the version constraint of rich (#15531)
Relax the version constraint of rich (#15531)

`rich` is used in cli to print tables to the terminal, as well as in settings.py to print deprecation warnings. Neither uses require the version constraint.

fixes #15529
lyft/incubator-airflow,nathanielvarona/airflow,apache/airflow,apache/incubator-airflow,danielvdende/incubator-airflow,apache/airflow,sekikn/incubator-airflow,Acehaidrey/incubator-airflow,apache/airflow,sekikn/incubator-airflow,cfei18/incubator-airflow,dhuang/incubator-airflow,cfei18/incubator-airflow,nathanielvarona/airflow,sekikn/incubator-airflow,mistercrunch/airflow,lyft/incubator-airflow,mistercrunch/airflow,cfei18/incubator-airflow,bolkedebruin/airflow,lyft/incubator-airflow,cfei18/incubator-airflow,bolkedebruin/airflow,Acehaidrey/incubator-airflow,cfei18/incubator-airflow,bolkedebruin/airflow,Acehaidrey/incubator-airflow,bolkedebruin/airflow,danielvdende/incubator-airflow,sekikn/incubator-airflow,nathanielvarona/airflow,lyft/incubator-airflow,cfei18/incubator-airflow,apache/incubator-airflow,danielvdende/incubator-airflow,dhuang/incubator-airflow,dhuang/incubator-airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,nathanielvarona/airflow,apache/airflow,mistercrunch/airflow,bolkedebruin/airflow,danielvdende/incubator-airflow,dhuang/incubator-airflow,nathanielvarona/airflow,danielvdende/incubator-airflow,apache/incubator-airflow,mistercrunch/airflow,Acehaidrey/incubator-airflow,Acehaidrey/incubator-airflow,apache/airflow,nathanielvarona/airflow,apache/incubator-airflow,apache/airflow