Bump net2 from 0.2.34 to 0.2.37 in /examples/HTTP/Rust

Bumps [net2](https://github.com/deprecrated/net2-rs) from 0.2.34 to 0.2.37.
- [Release notes](https://github.com/deprecrated/net2-rs/releases)
- [Commits](deprecrated/net2-rs@0.2.34...0.2.37)

---
updated-dependencies:
- dependency-name: net2
  dependency-type: indirect
...

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