Migration to version 12.0

Todo

https://github.com/OCA/maintainer-tools/wiki/Migration-to-version-12.0

Modules to migrate

• product_assortment - By @rousseldenis - #489
• product_brand - By @ThomasBinsfeld - #390
• product_code_mandatory - By @sudhir-erpharbor - #413
• product_code_unique - By @bizzappdev - #411
• product_cost_security - By @sergio-teruel - #533
• product_dimension - By @rvalyi - #485
• product_end_of_life - By @tbaden - #479
• product_firmware_version - By @Nikul-Chaudhary - #427
• product_manufacturer - By @Menestrels - #399
• product_multi_category - By @sudhir-erpharbor - #415
• product_pricelist_direct_print - By @alexey-pelykh - #414
• product_pricelist_revision - By @ernestotejeda - #524
• product_pricelist_supplierinfo - By @Nikul-Chaudhary - #429
• product_priority - By @sudhir-erpharbor - #417
• product_secondary_unit - By @kittiu - #444
• product_sequence - By @sudhir-erpharbor - #416 By @Tardo - #507
• product_state - By @Nikul-Chaudhary - #428
• product_supplierinfo_for_customer - By @renatonlima - #446 By @mreficent - #515
• product_supplierinfo_revision - By @bizzappdev - #442
• product_template_tags - By @hegenator - #434 By @patrickrwilson - #448
• product_weight - By @tbaden - #449
• stock_production_lot_firmware_version - By @Nikul-Chaudhary - #430