[Polygon] Bor: Added Ahmedabad HF related configs and block number fo…

…r amoy network (#11901)

[Polygon] Bor: Added Ahmedabad HF related configs and block number for
amoy network
This is the Ahmedabad block number -
[11865856](https://amoy.polygonscan.com/block/countdown/11865856)

PR in bor - [bor#1324](maticnetwork/bor#1324)