Upgrade to phf 0.9

Author: benesch

tokio-postgres/Cargo.toml

@@ -46,7 +46,7 @@ log = "0.4"
 parking_lot = "0.11"
 percent-encoding = "2.0"
 pin-project-lite = "0.2"
-phf = "0.8"
+phf = "0.9"
 postgres-protocol = { version = "0.6.1", path = "../postgres-protocol" }
 postgres-types = { version = "0.2.1", path = "../postgres-types" }
 socket2 = "0.4"