build(deps): bump @metamask/eth-snap-keyring from 4.3.1 to 4.3.6

Bumps [@metamask/eth-snap-keyring](https://github.com/MetaMask/eth-snap-keyring) from 4.3.1 to 4.3.6.
- [Release notes](https://github.com/MetaMask/eth-snap-keyring/releases)
- [Changelog](https://github.com/MetaMask/eth-snap-keyring/blob/main/CHANGELOG.md)
- [Commits](https://github.com/MetaMask/eth-snap-keyring/commits)

---
updated-dependencies:
- dependency-name: "@metamask/eth-snap-keyring"
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>