Update dependency @api3/chains to v8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@api3/chains	^7.2.1 -> ^8.1.0

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Release Notes

api3dao/chains (@​api3/chains)

### [`v8.1.0`](https://togithub.com/api3dao/chains/blob/HEAD/CHANGELOG.md#810) [Compare Source](https://togithub.com/api3dao/chains/compare/v8.0.0...v8.1.0) ##### Minor Changes - [`0f8f38a`](https://togithub.com/api3dao/chains/commit/0f8f38a): Add `zircuit` chain ### [`v8.0.0`](https://togithub.com/api3dao/chains/blob/HEAD/CHANGELOG.md#800) [Compare Source](https://togithub.com/api3dao/chains/compare/v7.2.1...v8.0.0) ##### Major Changes - [`85fc553`](https://togithub.com/api3dao/chains/commit/85fc553): Update URLs and chain id for `berachain-testnet` ##### Patch Changes - [`7dc9afc`](https://togithub.com/api3dao/chains/commit/7dc9afc): Remove provider `1rpc` from the existing chains - [`2e44149`](https://togithub.com/api3dao/chains/commit/2e44149): Remove hyperlink on the badge for `download per week` - [`175fdd5`](https://togithub.com/api3dao/chains/commit/175fdd5): Regenerate pnpm-lock.yaml for pnpm v9 - [`f25bbbc`](https://togithub.com/api3dao/chains/commit/f25bbbc): Update dependencies - [`e7528a5`](https://togithub.com/api3dao/chains/commit/e7528a5): Update default provider for etheruem

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