Error: marker was not found

# Expected Behavior

Image processing successfully

# Current Behavior

Error: marker was not found

# Failure Information (for bugs)

bug

## Steps to Reproduce
```
try {
let img = await jimp.read(imagePath)
await img.cover(300, 300)
await img.quality(80)
await img.rgba(false)
await img.background(0xffffffff)

await img.writeAsync(savePath + imgName)

console.log('success')
} catch (e) {
console.log(e)
}
```

## Context
its not happening all the time. sometime the error occur, sometime not with the same image.

- Jimp Version: 0.16.1
- Operating System: ubuntu 20.04
- Node version: 12.18.3

## Failure Logs

Error: marker was not found
at decodeScan (/mnt/KrishnaTorque/Projects/NodeJS/02/dxtrez/src/node_modules/jpeg-js/lib/decoder.js:344:15)
at constructor.parse (/mnt/KrishnaTorque/Projects/NodeJS/02/dxtrez/src/node_modules/jpeg-js/lib/decoder.js:804:29)
at Object.decode [as image/jpeg] (/mnt/KrishnaTorque/Projects/NodeJS/02/dxtrez/src/node_modules/jpeg-js/lib/decoder.js:1096:11)
at Jimp.call (/mnt/KrishnaTorque/Projects/NodeJS/02/dxtrez/src/node_modules/@jimp/core/src/utils/image-bitmap.js:165:21)
at Jimp.parseBitmap (/mnt/KrishnaTorque/Projects/NodeJS/02/dxtrez/src/node_modules/@jimp/core/src/index.js:400:17)
at /mnt/KrishnaTorque/Projects/NodeJS/02/dxtrez/src/node_modules/@jimp/core/src/index.js:344:14
at FSReqCallback.readFileAfterClose [as oncomplete] (internal/fs/read_file_context.js:63:3) {
methodName: 'constructor'
}