[protos] Add skipPasswordReset field to PrivilegedResetUserPassword
Summary:
Part of ENG-9628
As mentioned in this discussion, we want a flag to skip password reset while reverting users to V1 flows.
Test Plan: CI, flow
Reviewers: ashoat, kamil, tomek
Reviewed By: ashoat
Differential Revision: https://phab.comm.dev/D14198