chore(deps): update dependency ethers to v6.12.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ethers (source)	6.11.1 -> 6.12.0

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Release Notes

ethers-io/ethers.js (ethers)

v6.12.0

Compare Source

• Added Linea Sepolia network and Infura endpoint (#​4655; b4aaab8).
  • Do not send unsubscribe messages to destroyed Providers (#​4678; c45935e).
  • Get definitive network from InfuraProvider when using InfuraWebSocketProvider (38e32d8).
  • Better error messages for transaction field mismatch (#​4659; 9230aa0).
  • Added prevRandao to block (#​3372; ec6a754).
  • Added Polygon Amoy testnet (#​4645; 1717abb).
  • Added Chainstack provider (#​2741; 014004d).
  • Added deep convertion to Result for toObject and toArray (#​4681; 03bfe2a).
  • Added EIP-4844 broadcast support (92bad88).
  • Fix ignored throttle parameters (#​4663; 12772e9).

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