Ref: fastify/fastify#5116

• Removed the ts and jsx which are replaced by disabling the !@tapjs/typescript plugin.
• branches, functions, lines and statements where dropped in v18 -> https://node-tap.org/changelog/
• nyc were also dropped in v18
• coverage is enabled by default in v18, disabling them via disable-coverage: true

Checklist

• run npm run test and npm run benchmark
• tests and/or benchmarks are included
• documentation is changed or added
• commit message and code follows the Developer's Certification of Origin
  and the Code of conduct

CC: @simoneb