[NOT FOR MERGE] Test JsonRpcProvider compatibility

[keyz-tk]

Internal note: to run the Jest test

$ pwd # sdk/
$ cd packages/ethers
$ pnpm exec hardhat node # Start local hardhat node

# Then in another terminal
$ pwd # mono/src/go/e2e/
$ make filter=Ethers test

Outputs

Jest test ✅ :

PASS src/__tests__/index-test.ts
  TurnkeySigner
    ✓ basics (28 ms)
    ✓ it signs transactions (107 ms)
    ✓ it allows (and drops) `tx.from` (110 ms)
    ✓ it sends transactions (330 ms)
    ✓ it throws when there's a deny policy on the transaction (83 ms)
    ✓ it signs messages, `eth_sign` style (204 ms)
    ✓ it signs typed data (EIP-712) (205 ms)
    ✓ ERC-721 (812 ms)
    it signs walletconnect v1 payloads, bridged via EIP-1193
      ✓ Uniswap payload (250 ms)

with-ethers script ✅ :

Network:
	goerli (chain ID 5)

Address:
	0x064c0CfDD7C485Eba21988Ded4dbCD9358556842

Balance:
	0.146428817757239884 Ether

Transaction count:
	147

Turnkey-powered signature:
	0x97da598ac1ad566e77be7c7d9cc77339730e48c557c5d6f32f93d9fdeeed13472b1faf20f1e457a897a409f31b9e680ad6b02086ac4fb9aa693ce10374976b201c

Recovered address:
	0x064c0CfDD7C485Eba21988Ded4dbCD9358556842

Turnkey-signed transaction:
	0x02f8668080808080942ad9ea1e677949a536a270cec812d6e868c881088609184e72a00080c001a09881f59e48500ef8960ae1cb94e0c862e7d613f961c250b6f07b546a1b058b1da06ba1871d7aed5eb8ea8cb211a0e3e22a1c6b54b34b4376d0ef5b1daef4100c8f

Sent 0.00001 Ether to 0x2Ad9eA1E677949a536A270CEC812D6e868C88108:
	https://goerli.etherscan.io/tx/0x193e280878505cdccb88b117ddbba6512fe893e21b4876418db0c89f1ff9d35b

WETH Balance:
	0.00061001202 WETH

Wrapped 0.00001 ETH:
	https://goerli.etherscan.io/tx/0x799489bb9bb57aafab90ed556533aff3cca48a0c5436d43661c2b90e7a9cba2b