Bump bindgen from 0.69.4 to 0.70.1

Bumps [bindgen](https://github.com/rust-lang/rust-bindgen) from 0.69.4 to 0.70.1.
- [Release notes](https://github.com/rust-lang/rust-bindgen/releases)
- [Changelog](https://github.com/rust-lang/rust-bindgen/blob/main/CHANGELOG.md)
- [Commits](rust-lang/rust-bindgen@v0.69.4...v0.70.1)

---
updated-dependencies:
- dependency-name: bindgen
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -12,7 +12,7 @@ repository = "https://github.com/Chia-Network/chiavdf"
 link-cplusplus = "1.0.9"
 
 [build-dependencies]
-bindgen = "0.69.4"
+bindgen = "0.70.1"
 cmake = "0.1.50"
 
 [dev-dependencies]