net/transport/tcp: Restore usage of socket2 to create TCP sockets.

Cargo.lock

@@ -383,7 +383,7 @@ dependencies = [
  "polling",
  "rustix 0.37.23",
  "slab",
- "socket2",
+ "socket2 0.4.9",
  "waker-fn",
 ]
 
@@ -1434,6 +1434,7 @@ dependencies = [
  "sled",
  "sled-overlay",
  "smol",
+ "socket2 0.5.3",
  "structopt",
  "structopt-toml",
  "thiserror",
@@ -5161,6 +5162,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2538b18701741680e0322a2302176d3253a35388e2e62f172f64f4f16605f877"
+dependencies = [
+ "libc",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "spin"
 version = "0.5.2"