Upgrade rustls to 0.18

Author: djc

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "tokio-postgres-rustls"
 description = "Rustls integration for tokio-postgres"
-version = "0.4.1"
+version = "0.5.0"
 authors = ["Jasper <[email protected]>"]
 repository = "https://github.com/jbg/tokio-postgres-rustls"
 edition = "2018"
@@ -12,10 +12,10 @@ readme = "README.md"
 bytes = "0.5.4"
 futures = "0.3.4"
 ring = "0.16.11"
-rustls = "0.17.0"
+rustls = "0.18.0"
 tokio = "0.2.16"
 tokio-postgres = "0.5.3"
-tokio-rustls = "0.13.0"
+tokio-rustls = "0.14.0"
 webpki = "0.21.2"
 
 [dev-dependencies]