Migration to version 15.0

[OCA-git-bot]

Todo

https://github.com/OCA/maintainer-tools/wiki/Migration-to-version-15.0

Modules to migrate

• [x] crm_event - By @stefan-tecnativa - #294
• [x] event_email_reminder - By @victoralmau - #295
• [x] event_mail - By @ernestotejeda - #312
• [x] event_registration_cancel_reason - By @ernesto-garcia-tecnativa - #302
• [x] event_registration_partner_unique - By @ernesto-garcia-tecnativa - #301
• [x] event_sale_reservation - By @victoralmau - #296
• [x] event_sale_session - By @ivantodorovich - #276
• [x] event_session - By @ivantodorovich - #275
• [x] event_track_location_overlap - By @victoralmau - #299
• [x] partner_event - By @stefan-tecnativa - #293
• [x] sale_crm_event_reservation - By @stefan-tecnativa - #300
• [x] website_event_crm - By @chienandalu - #341
• [x] website_event_filter_city - By @chienandalu - #309
• [x] website_event_questions_by_ticket - By @stefan-tecnativa - #307
• [ ] website_event_require_login - By @bizzappdev - #290
• [x] website_event_sale_b2x_alt_price - By @chienandalu - #303

Missing module? Check https://github.com/OCA/maintainer-tools/wiki/%5BFAQ%5D-Missing-modules-in-migration-issue-list

[Camille0907]

website_event_sale_hide_ticket from 13.0 : https://github.com/OCA/event/pull/281

[Camille0907]

website_event_sale_single_attendee from 13.0 (from this pr) : https://github.com/OCA/event/pull/286

[Camille0907]

website_event_snippet_calendar from 13.0 (from this pr) : https://github.com/OCA/event/pull/288

[Camille0907]

event_sale_reserve_registration from 13.0 (from this pr) : https://github.com/OCA/event/pull/305