fix: Parse transfer date parameter (#1110)

Co-authored-by: sentry[bot] <39604003+sentry[bot]@users.noreply.github.com>

app/controllers/transfers_controller.rb

@@ -17,7 +17,7 @@ class TransfersController < ApplicationController
       family: Current.family,
       source_account_id: transfer_params[:from_account_id],
       destination_account_id: transfer_params[:to_account_id],
-      date: transfer_params[:date],
+      date: Date.parse(transfer_params[:date]),
       amount: transfer_params[:amount].to_d
     ).create