H5 file cannot be scanned

[XQ]

Describe the bug
Use model scan to scan an h5 file in the Hugging Face model, bert-base-uncased. It reports:

Error 1:
The following error was raised during a saved_model scan: 
To use modelscan.scanners.H5Scan, please install modelscan with h5py extras. 
'pip install "modelscan[h5py]"' if you are using pip.

With h5py installed it will reports:
Exception: the JSON object must be str, bytes or bytearray, not dict

To Reproduce
Steps to reproduce the behavior:

1. Download the h5 file, namely tf_model.h5, from https://huggingface.co/bert-base-uncased
2. run the command modelscan --path <path_to_h5_file>
3. See error described above

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
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Environment (please complete the following information):

• OS [e.g. macOS 13.4 (ARM)]
• Modelscan Version [v0.5.0]
• ML Framework version [e.g. Tensorflow v2.13.0] (if applicable)
• Describe the model serialization format that triggered this error (if applicable) H5 file

Additional context
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