Update gen_fbin_file.cpp to support binary data type

[cydrain]

No description provided.

[sre-ci-robot]

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[mergify]

@cydrain 🔍 Important: PR Classification Needed!

For efficient project management and a seamless review process, it's essential to classify your PR correctly. Here's how:

1. If you're fixing a bug, label it as kind/bug.
2. For small tweaks (less than 20 lines without altering any functionality), please use kind/improvement.
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[cydrain]

/kind improvement

[zhengbuqian]

/lgtm