chore(deps): bump tun2 from 3.1.2 to 3.1.4

Bumps [tun2](https://github.com/ssrlive/rust-tun) from 3.1.2 to 3.1.4.
- [Release notes](https://github.com/ssrlive/rust-tun/releases)
- [Commits](ssrlive/rust-tun@v3.1.2...v3.1.4)

---
updated-dependencies:
- dependency-name: tun2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -186,7 +186,7 @@ flate2 = { version = "1.0", optional = true }
 brotli = { version = "6.0", optional = true }
 zstd = { version = "0.13", optional = true }
 
-tun2 = { version = "3.1.0", optional = true, default-features = false, features = [
+tun2 = { version = "3.1.4", optional = true, default-features = false, features = [
     "async",
 ] }
 etherparse = { version = "0.15", optional = true }