PhilWindle

This PR is the first of several where we are moving to use native implementations of Merkle Trees for performance reasons. It includes: 1. The core tree implementations for both...

```[tasklist] ### Tasks - [ ] https://github.com/AztecProtocol/aztec-packages/issues/5053 - [ ] https://github.com/AztecProtocol/aztec-packages/issues/5122 - [ ] https://github.com/AztecProtocol/aztec-packages/issues/5054 - [ ] https://github.com/AztecProtocol/aztec-packages/issues/5055 - [ ] https://github.com/AztecProtocol/aztec-packages/issues/5056 - [ ] https://github.com/AztecProtocol/aztec-packages/issues/5126 - [ ]...