Haiku: downgrade socket2 to 0.3.11

See rust-lang/socket2#77 for a patch for socket2

Author: nielx

Cargo.lock

@@ -4735,9 +4735,9 @@ checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
 
 [[package]]
 name = "socket2"
-version = "0.3.12"
+version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03088793f677dce356f3ccc2edb1b314ad191ab702a5de3faf49304f7e104918"
+checksum = "e8b74de517221a2cb01a53349cf54182acdc31a074727d3079068448c0676d85"
 dependencies = [
  "cfg-if",
  "libc",