include Brazilian-specific info in bursary reimbursements email

from @phls

@stefanor @terceiro please add the topic below on this email (feel free to improve the text): https://salsa.debian.org/debconf-team/public/websites/dc18/blob/master/dc18/management/commands/badger_travel_reimbursement.py

If you are brazilian and you will receive the reimbursement using a brazilian bank, add these two informations in your "Email the Submission Package".

• Your CPF number
• Your Phone number