Bump @polkadot/util-crypto from 10.4.1 to 12.6.2

Bumps [@polkadot/util-crypto](https://github.com/polkadot-js/common/tree/HEAD/packages/util-crypto) from 10.4.1 to 12.6.2.
- [Release notes](https://github.com/polkadot-js/common/releases)
- [Changelog](https://github.com/polkadot-js/common/blob/master/CHANGELOG.md)
- [Commits](https://github.com/polkadot-js/common/commits/v12.6.2/packages/util-crypto)

---
updated-dependencies:
- dependency-name: "@polkadot/util-crypto"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]