repeatmasker: update h5py to 3.8.0

[heavywatal]

Otherwise installation ends in an error "wrong file driver version" probably because of hdf5 updates.

• [x] Have you followed the guidelines for contributing?
• [x] Have you checked that there aren't other open pull requests for the same formula update/change?
• [x] Have you built your formula locally with brew install --build-from-source FORMULA, where FORMULA is the name of the formula you're submitting?
• [x] Does your build pass brew audit --strict FORMULA (after doing brew install FORMULA)?

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