Add cancellation to RPC handlers for the vaults domain#846

aryanjassal merged 1 commit intostagingMatrixAI/Polykey:stagingfrom

feature-eng-432-review-and-refactor-rpc-handlers-to-handle-cancellationMatrixAI/Polykey:feature-eng-432-review-and-refactor-rpc-handlers-to-handle-cancellationCopy head branch name to clipboard