Migrate deployments scripts to Ethers v6

[zguesmi]

npx hardhat deploy output:

Deploying PoCo..
→ Factory is not yet deployed on this network
RLC: 0x5FbDB2315678afecb367f032d93F642f64180aa3
→ Factory successfully deployed
ERC1538UpdateDelegate: 0xD9b55D80c9B7065Ad7EB0A0105ce4512221d9ded
ERC1538Proxy: 0x0C8Da709368Cf0C1645837658490Dc322e21ca32
IexecInstance found at address: 0x0C8Da709368Cf0C1645837658490Dc322e21ca32
[Warning] Invalid Fragment {"inputs":[{"components":[{"components":[{"internalType":"address","name":"app","type":"address"},{"internalType":"uint256","name":"appmaxprice","type":"uint256"},{"internalType":"address","name":"dataset","type":"address"},{"internalType":"uint256","name":"datasetmaxprice","type":"uint256"},{"internalType":"address","name":"workerpool","type":"address"},{"internalType":"uint256","name":"workerpoolmaxprice","type":"uint256"},{"internalType":"address","name":"requester","type":"address"},{"internalType":"uint256","name":"volume","type":"uint256"},{"internalType":"bytes32","name":"tag","type":"bytes32"},{"internalType":"uint256","name":"category","type":"uint256"},{"internalType":"uint256","name":"trust","type":"uint256"},{"internalType":"address","name":"beneficiary","type":"address"},{"internalType":"address","name":"callback","type":"address"},{"internalType":"string","name":"params","type":"string"},{"internalType":"bytes32","name":"salt","type":"bytes32"},{"internalType":"bytes","name":"sign","type":"bytes"}],"internalType":"struct IexecLibOrders_v5.RequestOrder","name":"order","type":"tuple"},{"internalType":"enum IexecLibOrders_v5.OrderOperationEnum","name":"operation","type":"IexecLibOrders_v5.OrderOperationEnum"},{"internalType":"bytes","name":"sign","type":"bytes"}],"internalType":"struct IexecLibOrders_v5.RequestOrderOperation","name":"_requestorderoperation","type":"tuple"}],"name":"hash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"}: invalid type (argument="type", value="IexecLibOrders_v5.OrderOperationEnum", code=INVALID_ARGUMENT, version=6.13.5)

[...]

AppRegistry: 0xeF4a99201Efa1B02Dc893fDAdccEf06D420b1eF8
DatasetRegistry: 0xE3A0a4ff11d5019F48d78c2F094810844d2e3e1f
WorkerpoolRegistry: 0x01b380a687A2B0CD730dbC72557CEae074246e87
countCategory is now: 5 (was 0)
Category 0: XS,{},300
Category 1: S,{},1200
Category 2: M,{},3600
Category 3: L,{},10800
Category 4: XL,{},36000
Deploying and configuring ENS..
ENSRegistry: 0xb7278A61aa25c888815aFC32Ad3cC52fF24fE575
PublicResolver: 0xCD8a1C3ba11CF5ECfa6267617243239504a98d90
ReverseRegistrar: 0x82e01223d51Eb87e16A03E24687EDF0F294da6f1
FIFSRegistrar for domain : 0x2bdCC0de6bE1f7D2ee689a0342D76F52E8EFABa3
FIFSRegistrar for domain eth: 0xFD471836031dc5108809D173A067e8486B9047A3
FIFSRegistrar for domain iexec.eth: 0x1429859428C0aBc9C2C47C8Ee9FBaf82cFA0F20f
FIFSRegistrar for domain v5.iexec.eth: 0x162A433068F51e18b7d13932F27e66a3f99E6890
FIFSRegistrar for domain users.iexec.eth: 0x5081a39b8A5f0E35a8D959395a630b68B74Dd30f
FIFSRegistrar for domain apps.iexec.eth: 0xdbC43Ba45381e02825b14322cDdd15eC4B3164E6
FIFSRegistrar for domain datasets.iexec.eth: 0x4C4a2f8c81640e47606d3fd77B353E87Ba015584
FIFSRegistrar for domain pools.iexec.eth: 0x2E2Ed0Cfd3AD2f1d34481277b3204d807Ca2F8c2

Diff with old logs:

[Le-Caignec]

LGTM

[jeremyjams]

Great thanks 👍 !