[Polygon] [e3] params/chainspec: add gandhinagar hf for amoy (#12002)

The changes done in previous Ahmedabad HF for Amoy for the Wrapped MATIC
contract didn't go as expected (more details
[here](https://forum.polygon.technology/t/bor-v1-4-0-beta2-amoy-release-gandhinagar-hardfork/19753)).
This PR adds another HF for amoy (named Gandhinagar) which updates the
Wrapped MATIC bytecode.

The HF is scheduled on 18th Sept at block 12121856 which will be around
10 AM UTC.

params/chainspecs/amoy.json

@@ -55,6 +55,12 @@
             "balance": "0x0",
             "code": "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           }
+        },
+        "12121856": {
+          "360ad4f9a9A8EFe9A8DCB5f461c4Cc1047E1Dcf9": {
+            "balance": "0x0",
+            "code": "0x6080604052600436106100af576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806306fdde03146100b9578063095ea7b31461014957806318160ddd146101ae57806323b872dd146101d95780632e1a7d4d1461025e578063313ce5671461028b57806370a08231146102bc57806395d89b4114610313578063a9059cbb146103a3578063d0e30db014610408578063dd62ed3e14610412575b6100b7610489565b005b3480156100c557600080fd5b506100ce610526565b6040518080602001828103825283818151815260200191508051906020019080838360005b8381101561010e5780820151818401526020810190506100f3565b50505050905090810190601f16801561013b5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b34801561015557600080fd5b50610194600480360381019080803573ffffffffffffffffffffffffffffffffffffffff16906020019092919080359060200190929190505050610563565b604051808215151515815260200191505060405180910390f35b3480156101ba57600080fd5b506101c3610655565b6040518082815260200191505060405180910390f35b3480156101e557600080fd5b50610244600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190803573ffffffffffffffffffffffffffffffffffffffff16906020019092919080359060200190929190505050610674565b604051808215151515815260200191505060405180910390f35b34801561026a57600080fd5b50610289600480360381019080803590602001909291905050506109c1565b005b34801561029757600080fd5b506102a0610af4565b604051808260ff1660ff16815260200191505060405180910390f35b3480156102c857600080fd5b506102fd600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610afd565b6040518082815260200191505060405180910390f35b34801561031f57600080fd5b50610328610b15565b6040518080602001828103825283818151815260200191508051906020019080838360005b8381101561036857808201518184015260208101905061034d565b50505050905090810190601f1680156103955780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b3480156103af57600080fd5b506103ee600480360381019080803573ffffffffffffffffffffffffffffffffffffffff16906020019092919080359060200190929190505050610b52565b604051808215151515815260200191505060405180910390f35b610410610489565b005b34801561041e57600080fd5b50610473600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610b67565b6040518082815260200191505060405180910390f35b34600360003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600082825401925050819055503373ffffffffffffffffffffffffffffffffffffffff167fe1fffcc4923d04b559f4d29a8bfc6cda04eb5b0d3c460751c2402c5c5cc9109c346040518082815260200191505060405180910390a2565b60606040805190810160405280601f81526020017f5772617070656420506f6c79676f6e2045636f73797374656d20546f6b656e00815250905090565b600081600460003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020819055508273ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925846040518082815260200191505060405180910390a36001905092915050565b60003073ffffffffffffffffffffffffffffffffffffffff1631905090565b600081600360008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002054101515156106c457600080fd5b3373ffffffffffffffffffffffffffffffffffffffff168473ffffffffffffffffffffffffffffffffffffffff161415801561079c57507fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff600460008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000205414155b156108b75781600460008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020541015151561082c57600080fd5b81600460008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600082825403925050819055505b81600360008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000206000828254039250508190555081600360008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600082825401925050819055508273ffffffffffffffffffffffffffffffffffffffff168473ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef846040518082815260200191505060405180910390a3600190509392505050565b8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+          }
         }
       }
     }