migrate to class

[sirenkovladd]

migrate to class syntax (Chain, request, response)

bun.js support update usage of deprecated attribute

• http.ServerResponse._header
• http.ServerResponse.connection

Checklist

• [X] run npm run test and npm run benchmark
• [X] tests and/or benchmarks are included
• [X] documentation is changed or added (.d.ts)
• [X] commit message and code follows the Developer's Certification of Origin and the Code of conduct