Bump net2 from 0.2.33 to 0.2.38 in /proxy

Bumps [net2](https://github.com/deprecrated/net2-rs) from 0.2.33 to 0.2.38.
- [Release notes](https://github.com/deprecrated/net2-rs/releases)
- [Commits](deprecrated/net2-rs@0.2.33...0.2.38)

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

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