Bump ethon from 0.11.0 to 0.12.0 in /docs
Bump ethon from 0.11.0 to 0.12.0 in /docs

Bumps [ethon](https://github.com/typhoeus/ethon) from 0.11.0 to 0.12.0.
- [Release notes](https://github.com/typhoeus/ethon/releases)
- [Changelog](https://github.com/typhoeus/ethon/blob/v0.12.0/CHANGELOG.md)
- [Commits](https://github.com/typhoeus/ethon/compare/v0.11.0...v0.12.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
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