chore: Change private-kernel init to use BoundedVec#2800

sirasistant merged 15 commits into

feature_branch/private-kernelAztecProtocol/aztec-packages:feature_branch/private-kernelfrom

kw/copy-over-bounded-vecAztecProtocol/aztec-packages:kw/copy-over-bounded-vecCopy head branch name to clipboard