Merge branch 'ADD_sepa_direct_debit_mandatory_subscr_request_flow' into 'dev'

energy_communities/controllers/website_subscription_main.py

energy_communities/data/mail_template_update_data.xml

energy_communities/i18n/ca_ES.po

energy_communities/i18n/energy_communities.pot

energy_communities/i18n/es.po

energy_communities/i18n/eu_ES.po

energy_communities/i18n_extra/ca_ES.po

energy_communities/i18n_extra/es.po

energy_communities/i18n_extra/eu_ES.po

energy_communities/models/subscription_request.py

energy_communities/views/website_subscription_template.xml