[AIRFLOW-XXX] Update the UPDATING.md file for 1.10.2
[AIRFLOW-XXX] Update the UPDATING.md file for 1.10.2

artwr/airflow,r39132/airflow,airbnb/airflow,bolkedebruin/airflow,r39132/airflow,mtagle/airflow,dhuang/incubator-airflow,danielvdende/incubator-airflow,wileeam/airflow,apache/airflow,mistercrunch/airflow,nathanielvarona/airflow,r39132/airflow,fenglu-g/incubator-airflow,wooga/airflow,wileeam/airflow,lyft/incubator-airflow,artwr/airflow,lyft/incubator-airflow,Acehaidrey/incubator-airflow,apache/airflow,dhuang/incubator-airflow,bolkedebruin/airflow,mrkm4ntr/incubator-airflow,apache/incubator-airflow,Fokko/incubator-airflow,Acehaidrey/incubator-airflow,nathanielvarona/airflow,r39132/airflow,Fokko/incubator-airflow,cfei18/incubator-airflow,nathanielvarona/airflow,fenglu-g/incubator-airflow,bolkedebruin/airflow,apache/airflow,wileeam/airflow,apache/incubator-airflow,airbnb/airflow,cfei18/incubator-airflow,Acehaidrey/incubator-airflow,mrkm4ntr/incubator-airflow,nathanielvarona/airflow,wooga/airflow,mrkm4ntr/incubator-airflow,dhuang/incubator-airflow,bolkedebruin/airflow,mrkm4ntr/incubator-airflow,DinoCow/airflow,mistercrunch/airflow,cfei18/incubator-airflow,DinoCow/airflow,apache/incubator-airflow,DinoCow/airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,apache/airflow,cfei18/incubator-airflow,DinoCow/airflow,nathanielvarona/airflow,fenglu-g/incubator-airflow,Fokko/incubator-airflow,Acehaidrey/incubator-airflow,spektom/incubator-airflow,spektom/incubator-airflow,airbnb/airflow,artwr/airflow,mistercrunch/airflow,apache/airflow,danielvdende/incubator-airflow,bolkedebruin/airflow,wileeam/airflow,sekikn/incubator-airflow,artwr/airflow,cfei18/incubator-airflow,sekikn/incubator-airflow,fenglu-g/incubator-airflow,wooga/airflow,spektom/incubator-airflow,dhuang/incubator-airflow,danielvdende/incubator-airflow,Fokko/incubator-airflow,airbnb/airflow,mtagle/airflow,apache/airflow,spektom/incubator-airflow,sekikn/incubator-airflow,mtagle/airflow,mistercrunch/airflow,wooga/airflow,lyft/incubator-airflow,sekikn/incubator-airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,lyft/incubator-airflow,cfei18/incubator-airflow,mtagle/airflow,nathanielvarona/airflow,apache/incubator-airflow,danielvdende/incubator-airflow