[news] Yii Data Response 2.1

Yii Data Response package was updated with the following enhancements and fixes:

• added PlainTextDataResponseFormatter formatter and FormatDataResponseAsPlainText middleware;
• added support for psr/http-message version ^2.0;
• raised minimum PHP version to 8.1 and refactor code;
• explicitly added transitive dependencies psr/http-factory and psr/http-server-handler.