There's a merged pull request on the void-packages repository

rust-bindgen: update to 0.64.0.
https://github.com/void-linux/void-packages/pull/42329

Description:
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#### Testing the changes
- I tested the changes in this PR: **YES**

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#### New package
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#### Local build testing
- I built this PR locally for my native architecture, (x86_64-gnu)
- I built this PR locally for these architectures (crossbuilds):
  - aarch64-musl
  - armv6l