Add steps for building release package without breeze. (#17702)
Add steps for building release package without breeze. (#17702)

* Add steps for building release package without breeze.

* Update dev/README_RELEASE_AIRFLOW.md

Co-authored-by: Kaxil Naik <762f1fed708bdb04af3f52cafbce77c382effa7a@gmail.com>
mistercrunch/airflow,cfei18/incubator-airflow,apache/airflow,danielvdende/incubator-airflow,cfei18/incubator-airflow,lyft/incubator-airflow,mistercrunch/airflow,nathanielvarona/airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow,mistercrunch/airflow,danielvdende/incubator-airflow,Acehaidrey/incubator-airflow,apache/incubator-airflow,Acehaidrey/incubator-airflow,lyft/incubator-airflow,apache/airflow,danielvdende/incubator-airflow,apache/airflow,apache/incubator-airflow,bolkedebruin/airflow,nathanielvarona/airflow,apache/incubator-airflow,cfei18/incubator-airflow,apache/airflow,mistercrunch/airflow,lyft/incubator-airflow,bolkedebruin/airflow,Acehaidrey/incubator-airflow,bolkedebruin/airflow,bolkedebruin/airflow,cfei18/incubator-airflow,danielvdende/incubator-airflow,bolkedebruin/airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,apache/airflow,apache/incubator-airflow,nathanielvarona/airflow,cfei18/incubator-airflow,danielvdende/incubator-airflow,nathanielvarona/airflow,apache/airflow,cfei18/incubator-airflow,lyft/incubator-airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow