release_3260

All PRs included

#2582 Remove hardcoded fee and payment information for marriages in Brazil
#2567 Processing times france and territories
#2579 Refactor energy-grants-calculator to new-style flow
#2545 Refactor calculate-married-couples-allowance and fix 4 bugs (with feedback addressed)
#2569 Refactor calculate-your-child-maintenance to new style flow
#2573 Refactor estimate-self-assessment-penalties to new-style flow

PRs to Check

#2582 Remove hardcoded fee and payment information for marriages in Brazil
#2567 Processing times france and territories