As reported in https://github.com/localstack/localstack/issues/6659#issuecomment-1630932643_, `HeadObject` does not respect `ChecksumMode`. 


```shell
at 09:31:57 ➜ AWS_DEFAULT_REGION=us-west-1 aws --endpoint-url=http://localhost:4566 s3api create-bucket --bucket test-bucket --create-bucket-configuration LocationConstraint=us-west-1
{
    "Location": "http://test-bucket.s3.localhost.localstack.cloud:4566/"
}

at 09:32:13 ➜ aws --endpoint-url=http://localhost:4566 s3api put-object --bucket test-bucket --key file.json --body README.md --checksum-algorithm SHA256
{
    "ETag": "\"4bb2f1387449d690bff6336ea255909c\"",
    "ChecksumSHA256": "bzOikXXMUqRTCrpVq7Pt7LjJ0fjR3ccUfM19S/gnfqA="
}

# SHA256 missing here
at 09:32:20 ➜ aws --endpoint-url=http://localhost:4566 s3api head-object --bucket test-bucket --key file.json --checksum-mode Enabled
{
    "AcceptRanges": "bytes",
    "LastModified": "2023-07-11T13:32:15+00:00",
    "ContentLength": 1455,
    "ETag": "\"4bb2f1387449d690bff6336ea255909c\"",
    "ContentType": "binary/octet-stream",
    "Metadata": {}
}
```

Note the equivalent response from S3 actual includes the SHA256 value

```shell
at 10:21:23 ➜ aws s3api head-object --bucket test-bucket --key file.json --checksum-mode Enabled
{
    "AcceptRanges": "bytes",
    "Expiration": "expiry-date=\"Thu, 13 Jul 2023 00:00:00 GMT\", rule-id=\"all\"",
    "LastModified": "2023-07-11T14:21:09+00:00",
    "ContentLength": 1956,
    "ChecksumSHA256": "bj7fqCqtaF95M1ULwQRDJuHbL/Xd9NVMH6pua9OINcc=",
    "ETag": "\"f4be535d45019a4408dd5369986919f8\"",
    "ContentEncoding": "",
    "ContentType": "binary/octet-stream",
   
    "Metadata": {},
    
}
```

_Originally posted by @bdurrani in https://github.com/localstack/localstack/issues/6659#issuecomment-1630932643_
            
Bucket=s3_bucket,
                    WebsiteConfiguration=invalid_configuration,
                )
                assert False, f"{invalid_configuration} should have raised an exception"
            except ClientError as e:
                snapshot.match(f"invalid-website-conf-{index}", e.response)
    @pytest.mark.aws_validated
    def test_crud_website_configuration(self, s3_bucket, snapshot, aws_client):
        snapshot.add_transformer(snapshot.transform.key_value("BucketName"))
        with 
            aws_client.s3.get_bucket_website(Bucket=s3_bucket)
        snapshot.match("get-no-such-website-config", e.value.response)
        resp = aws_client.s3.delete_bucket_website(Bucket=s3_bucket)
        snapshot.match("del-no-such-website-config", resp)
        response = aws_client.s3.put_bucket_website(
            Bucket=s3_bucket,
            WebsiteConfiguration={"IndexDocument": {"Suffix": "index.html"}},
        )
        snapshot.match("put-website-config", response)
        response = aws_client.s3.get_bucket_website(Bucket=s3_bucket)
        snapshot.match("get-website-config", response)
        aws_client.s3.delete_bucket_website(Bucket=s3_bucket)
        with pytest.raises(ClientError):
            aws_client.s3.get_bucket_website(Bucket=s3_bucket)
    @pytest.mark.aws_validated
    @pytest.mark.skipif(
        condition=LEGACY_S3_PROVIDER and not is_aws_cloud(),
        reason="Legacy S3 provider does not provide website redirection",
    )
    def test_website_hosting_redirect_all(self, s3_create_bucket, aws_client):