cargo: bump socket2 to v0.5

Author: paolobarbolini

Cargo.toml

@@ -16,7 +16,7 @@ all-features = true
 
 [dependencies]
 pnet_packet = "0.33"
-socket2 = { version = "0.4", features = ["all"] }
+socket2 = { version = "0.5.1", features = ["all"] }
 
 getrandom = "0.2"
 tokio = { version = "1.15", features = ["net", "sync", "rt"] }