BB-24140: Port to 6.0 (#38761)

- added new package gen-ai
- added system configuration options for AI
- added form_type for config_file_type
- added data transformer for the config file
- added ContentGenerationRequest
- added interfaces for Client and Factory
- added interfaces for task
- added tasks services config
- added user request DTO to keep in one place post-request data
- added factory and client for Vertex AI
- added OpenAI client and factory
- added OpenAI message structure
- added controller
- added connection checker
- added form entity resolver
- added product based tasks
- added CryptedTextType doctrine extension type
- added factory for content generation request
- added factory methods for user content generation request
- added form modal window
- added LandingPageDescriptionOpenPromptTask, ContentBlockDescriptionOpenPromptTask, EmailMessageOpenPromptTask
- added unit tests
- added function tests
- added behat tests

BB-24139: Port to 5.1 (#38763)

- added new package gen-ai
- added system configuration options for AI
- added form_type for config_file_type
- added data transformer for the config file
- added ContentGenerationRequest
- added interfaces for Client and Factory
- added interfaces for task
- added tasks services config
- added user request DTO to keep in one place post-request data
- added factory and client for Vertex AI
- added OpenAI client and factory
- added OpenAI message structure
- added controller
- added connection checker
- added form entity resolver
- added product based tasks
- added CryptedTextType doctrine extension type
- added factory for content generation request
- added factory methods for user content generation request
- added form modal window
- added LandingPageDescriptionOpenPromptTask, ContentBlockDescriptionOpenPromptTask, EmailMessageOpenPromptTask
- added unit tests
- added function tests
- added behat tests

BB-24125: Fix randomly failed API functional test FrontendOpenApiTest…

….php (#38329)

BB-24125: Fix randomly failed API functional test FrontendOpenApiTest…

….php (#38330)

BB-23826: Release preparation activities - Generate UPGRADE-*.md, CHA…

…NGELOG-*.md files (#37961)

Revert "BAP-22165: Improve oro:platform:update commands performance (…

…#37464)" (#37706)

This reverts commit a0c6d39c5649cda9e3e5dc0fda62a48a82aaede0.

BB-22609: [migration] Rule-based price list is not recalculated after…

… product price update - 5.1 (#37447)

Merge pull request #37304 from laboro/fix/BAP-22166_5.1

BAP-22166: Datagrid filter by workflow step does not work

BB-22921: 6.0.0 BETA (#37299)

- added incompatibilities-6-0-beta.md and updated CHANGELOG.md in all the changed packages

BAP-22321: Upgrade some Symfony packages to 5.4.31 (#37061)