TL;DR

Replace deprecated json_array with json type (thanks @Prometee 🎉) + other small bug fixes and improvements

Details

• #12549 [Product Variant] Price Calculator fixed to return always int (@lruozzi9)
• #12759 Use phpspec ^7.1 and avoid custom error reporting level in its configuration (@pamil)
• #13214 Replace json_array with json type as requested by the deprecation (@Prometee)
• #13366 [Docs] Add missing references in CONFLICT.md (@lchrusciel)
• #13379 [Bug][Migrations] Add missing mysql check for our migrations to ensure proper syntax is available (@lchrusciel)
• #13392 [Minor] Update possible branch version in GitHub PR template (@lchrusciel)
• #13405 Class name typo (@TheDevilOnLine)
• #13426 Architecture tests initialization (@Zales0123)
• #13428 Symfony2 is no more 💃 (@Zales0123)
• #13430 [Maintenance] Do not skip auto-configuration tests (@lchrusciel)
• #13435 [Behat] [Taxons] Fixed issue with asserting Taxons (@TheDevilOnLine)
• #13439 Recalculate cart on remove item (@SirDomin)
• #13454 Using phparkitect github actions (@AlessandroMinoccheri)
• #13455 Delay 1.11 one more time (@Zales0123)
• #13459 [API] Bring back SwaggerUI overriding (@lchrusciel)
• #13490 Unify latest CHANGELOGs format with the previous ones (@Zales0123)