Stop pinning the h5py with 3.7.0

[tenzen-y]

/kind feature

Describe the solution you'd like
[A clear and concise description of what you want to happen.]
We pinned the h5py version with 3.7.0 to resolve building errors.

However, this error is temporary. So we can stop pinning that once a newer h5py for linux/arm64 is released.

Ref: #2096 h5py/h5py#2215

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

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[tenzen-y]

We can close this since it was fixed by #2096.
/close

[google-oss-prow]

@tenzen-y: Closing this issue.

In response to this:

We can close this since it was fixed by #2096.
/close

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