fix(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`](https://togithub.com/ethers-io/ethers.js/blob/HEAD/CHANGELOG.md#ethersv6120-2024-04-17-0109) [Compare Source](https://togithub.com/ethers-io/ethers.js/compare/v6.11.1...v6.12.0) - Added Linea Sepolia network and Infura endpoint ([#​4655](https://togithub.com/ethers-io/ethers.js/issues/4655); [b4aaab8](https://togithub.com/ethers-io/ethers.js/commit/b4aaab8d39fe47f8a1a296fa442f0856f84faf03)). - Do not send unsubscribe messages to destroyed Providers ([#​4678](https://togithub.com/ethers-io/ethers.js/issues/4678); [c45935e](https://togithub.com/ethers-io/ethers.js/commit/c45935e29ca0dd1ecdf1277fa1107246041be580)). - Get definitive network from InfuraProvider when using InfuraWebSocketProvider ([38e32d8](https://togithub.com/ethers-io/ethers.js/commit/38e32d82145eb289e5179f9b6b11f4a9225a7022)). - Better error messages for transaction field mismatch ([#​4659](https://togithub.com/ethers-io/ethers.js/issues/4659); [9230aa0](https://togithub.com/ethers-io/ethers.js/commit/9230aa0b9a88b5241915a8d6afa8a522d35abd5d)). - Added prevRandao to block ([#​3372](https://togithub.com/ethers-io/ethers.js/issues/3372); [ec6a754](https://togithub.com/ethers-io/ethers.js/commit/ec6a754f0c8647dae59c73b2589225cb200d83dd)). - Added Polygon Amoy testnet ([#​4645](https://togithub.com/ethers-io/ethers.js/issues/4645); [1717abb](https://togithub.com/ethers-io/ethers.js/commit/1717abbf29a14a6f6b106e479fe9a5b1f8768dc4)). - Added Chainstack provider ([#​2741](https://togithub.com/ethers-io/ethers.js/issues/2741); [014004d](https://togithub.com/ethers-io/ethers.js/commit/014004d9402d7fd8c15553792cfb7a8a84ed327a)). - Added deep convertion to Result for toObject and toArray ([#​4681](https://togithub.com/ethers-io/ethers.js/issues/4681); [03bfe2a](https://togithub.com/ethers-io/ethers.js/commit/03bfe2a4f7b29b15cd90127974b7fc1d8b03edf9)). - Added EIP-4844 broadcast support ([92bad88](https://togithub.com/ethers-io/ethers.js/commit/92bad88261a5d8a538535a7d5528162fe5010527)). - Fix ignored throttle parameters ([#​4663](https://togithub.com/ethers-io/ethers.js/issues/4663); [12772e9](https://togithub.com/ethers-io/ethers.js/commit/12772e9498b70f8538838f30e16f3792ea90e173)).

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