chore(deps): update socket2 requirement from 0.5 to 0.6

Updates the requirements on [socket2](https://github.com/rust-lang/socket2) to permit the latest version.
- [Release notes](https://github.com/rust-lang/socket2/releases)
- [Changelog](https://github.com/rust-lang/socket2/blob/master/CHANGELOG.md)
- [Commits](rust-lang/socket2@v0.5...v0.6.2)

---
updated-dependencies:
- dependency-name: socket2
  dependency-version: 0.6.2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

monoio/Cargo.toml

@@ -18,7 +18,7 @@ auto-const-array = "0.2"
 fxhash = "0.2"
 libc = "0.2"
 pin-project-lite = "0.2"
-socket2 = { version = "0.5", features = ["all"] }
+socket2 = { version = "0.6", features = ["all"] }
 memchr = "2.7"
 
 bytes = { version = "1", optional = true }