Initial migration to service-utils

• Removed bluebird in favour of async/await
  • Not fully removed from dependency tree because of kafka-sse, mocha.parallel, and swagger-router
• Removed preq in favour of native fetch
  • Not fully removed from dependency tree because of @wikimedia/url-get
• Removed bunyan and associated dependencies in favour of winston
  • trace is not a log level in winston so moved it to verbose
• Removed service-runner
• Fix ui_enabled config bug
• Bump to Node 20

cc: @gmodena

Bug: T361769