Merge pull request #109 from ctz/dependabot/cargo/webpki-roots-0.20

build(deps): update webpki-roots requirement from 0.19 to 0.20

Author: ctz

Cargo.toml

@@ -20,7 +20,7 @@ rustls-native-certs = { version = "0.3.0", optional = true }
 tokio = "0.2.4"
 tokio-rustls = "0.13.0"
 webpki = "0.21.0"
-webpki-roots = { version = "0.19", optional = true }
+webpki-roots = { version = "0.20", optional = true }
 
 [dev-dependencies]
 tokio = { version = "0.2", features = ["io-std", "macros", "dns", "stream"] }