Merge pull request #73 from djc/dependabot/cargo/webpki-roots-0.19.0

Update webpki-roots requirement from 0.18.0 to 0.19.0

Author: djc

tokio-imap/Cargo.toml

@@ -24,7 +24,7 @@ nom = "5"
 tokio = { version = "0.2.2", features = ["tcp"] }
 tokio-rustls = "0.12.0"
 tokio-util = { version = "0.2.0", features = ["codec"] }
-webpki-roots = "0.18.0"
+webpki-roots = "0.19.0"
 
 [dev-dependencies]
 tokio = { version = "0.2.2", features = ["macros", "tcp"] }