refactor: migrate Credentials CredentialProvider to TypeScript

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[trim21]

didn't resolve merge conflict correctly

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should add sleep after starting minio ...

  1) functional tests
       "before all" hook in "functional tests":
     S3Error: Server not initialized, please try again.
      at Object.parseError (src\/xml-parsers.js:37:11)
      at parser (src\/transformers.js:121:22)
      at Transform._flush (src\/transformers.js:51:12)
      at Transform.prefinish (node_modules\readable-stream\lib\_stream_transform.js:123:10)
      at Transform.emit (node:events:511:28)
      at prefinish (node_modules\readable-stream\lib\_stream_writable.js:569:14)
      at finishMaybe (node_modules\readable-stream\lib\_stream_writable.js:576:5)
      at endWritable (node_modules\readable-stream\lib\_stream_writable.js:594:3)
      at Transform.Writable.end (node_modules\readable-stream\lib\_stream_writable.js:535:22)
      at IncomingMessage.onend (node:internal/streams/readable:713:10)
      at Object.onceWrapper (node:events:625:28)
      at IncomingMessage.emit (node:events:523:35)
      at endReadableNT (node:internal/streams/readable:1367:12)
      at processTicksAndRejections (node:internal/process/task_queues:82:21)