Código's client method names exposed with UpperCamelCase

[julianzamt]

Is your enhancement request related to a problem? Please describe.
Methods on the generates client library are exposed with UpperCamelCase.
The convention is to use camelCase.

CIDL

- name: change_bps
    inputs:
      - name: new_bps
        type: u16
      - name: global_state
        type: GlobalState
        solana:
          attributes: [ mut ]

Generated Client

The convention is to name it changeBps... rather than ChangeBps...