Bump elliptic, web3-eth-abi and eth-crypto

Bumps [elliptic](https://github.com/indutny/elliptic), [web3-eth-abi](https://github.com/ethereum/web3.js) and [eth-crypto](https://github.com/pubkey/eth-crypto). These dependencies needed to be updated together.

Updates `elliptic` from 6.5.2 to 6.6.0
- [Commits](indutny/elliptic@v6.5.2...v6.6.0)

Updates `web3-eth-abi` from 1.2.6 to 1.8.1
- [Release notes](https://github.com/ethereum/web3.js/releases)
- [Changelog](https://github.com/web3/web3.js/blob/v1.8.1/CHANGELOG.md)
- [Commits](web3/web3.js@v1.2.6...v1.8.1)

Updates `eth-crypto` from 1.5.2 to 1.9.0
- [Release notes](https://github.com/pubkey/eth-crypto/releases)
- [Commits](https://github.com/pubkey/eth-crypto/commits/1.9.0)

---
updated-dependencies:
- dependency-name: elliptic
  dependency-type: indirect
- dependency-name: web3-eth-abi
  dependency-type: indirect
- dependency-name: eth-crypto
  dependency-type: indirect
...

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