Bump to Godwoken Web3 v1.6.4

[Flouse]

Release note https://github.com/nervosnetwork/godwoken-web3/releases/tag/v1.6.4

feat: Add new RPC gw_get_pending_tx_hashes

Get pending transaction hashes, which means a developer could get the mem_pool transactions of Godwoken.

• feat: Add rpc gw_get_pending_tx_hashes godwoken-web3#484
• Add RPC get_pending_tx_hashes godwoken#772

Example

curl https://godwoken-testnet-v1.ckbapp.dev -X POST \
        -H "Content-Type: application/json" \
        -d '{"jsonrpc": "2.0", "method":"gw_get_pending_tx_hashes", "params": [], "id": 1}'

# Reust 
{"jsonrpc":"2.0","id":1,"result":["0x2e8785d5ad1a4753c6ab666ff31976bb9c8b2991db41f58bb66a2a512a95cdb3","0x35ea09570dd36937c7dc0cb35a04609b58e58d15ba7204e7a524709855b73bf9","0x5b02a63c07a61681cc297925dd70c1ee23b28b16bde27982548c1f46d4e1a6ff","0x95fec59a004cea6c502fd82f35749cd2a70c424a15809c01be5c4002893f823c","0xd99ba866c78df6e225ff2e2907cf9a1d6c0d392254c2de6b56f6aa0019c6fc54","0xf07497e5cd30fdfed47bfb7d7ef352b79d790b3faedc1b248f928c63aa29b535"]}

[Flouse]

Mainnet Updated

curl https://v1.mainnet.godwoken.io/rpc -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method":"poly_version", "params": [], "id": 1}'

# Result
{"jsonrpc":"2.0","id":1,"result":{"versions":{"web3Version":"1.6.4","web3IndexerVersion":"1.6.4","godwokenVersion":"1.5.0 66ee8fd"}