### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

The Complete Multipart Upload operation generates the **InternalError** error for non-existing uploads.

### Expected Behavior

The Complete Multipart Upload operation generates the **NoSuchUpload** error for non-existing uploads.

### How are you starting LocalStack?

With a `docker run` command

### Steps To Reproduce

    docker run -it --rm -p 4566:4566 localstack/localstack

    aws s3api create-bucket --bucket test --endpoint-url http://localhost:4566 --create-bucket-configuration LocationConstraint=us-west-2

    aws s3api complete-multipart-upload --bucket test --endpoint-url http://localhost:4566 --key test --upload-id test

### Environment

```markdown
- OS: Windows 11
- LocalStack: latest
```


### Anything else?

The Abort Multipart Upload operation works correctly in LocalStack.

The official documentation: https://docs.aws.amazon.com/AmazonS3/latest/API/API_CompleteMultipartUpload.html
Amazon S3 throws the correct **NoSuchUpload** error for both Abort and Complete operations.
Expiration: Optional[Expiration]
    ETag: Optional[ETag]
    ChecksumCRC32: Optional[ChecksumCRC32]
    ChecksumCRC32C: Optional[ChecksumCRC32C]
    ChecksumSHA1: Optional[ChecksumSHA1]
    ChecksumSHA256: Optional[ChecksumSHA256]
    ServerSideEncryption: Optional[ServerSideEncryption]
    VersionId: Optional[ObjectVersionId]
    SSECustomerAlgorithm: Optional[SSECustomerAlgorithm]
    SSECustomerKeyMD5: Optional[SSECustomerKeyMD5]
    SSEKMSKeyId: Optional[SSEKMSKeyId]
    SSEKMSEncryptionContext: Optional[SSEKMSEncryptionContext]
    BucketKeyEnabled: Optional[BucketKeyEnabled]
    RequestCharged: Optional[RequestCharged]
class PutObjectRequest(ServiceRequest):
    Body: Optional[IO[Body]]
    ACL: Optional[ObjectCannedACL]
    Bucket: BucketName
    CacheControl: Optional[CacheControl]
    ContentDisposition: Optional[ContentDisposition]
    ContentEncoding: Optional[ContentEncoding]
    ContentLanguage: Optional[ContentLanguage]
    ContentLength: Optional[ContentLength]