v3.4.0

• Increase the minimum supported orchestra/testbench version
• Add a phpstan/phpstan dev dependency
• Add a Github Action with PHPStan analysis tool
• Add a new retrieve_accepted_languages log event
• Add a validation for the default_language option
• Add a new InvalidOptionValue exception for this validation
• Change the project folders structure
• Change Normalizers simplify the usage
• Fix DefaultLanguage wrong fallback option name
• Update PHPDoc types
• Update README.md
• Some improvements

Note: this release changes the default behavior for the situation when the process method has not been called.
Now the public methods will return empty values rather than throwing an error.

Full Changelog: v3.3.0...v3.4.0