Re-enable the akamai example (#518)

Cargo.toml

@@ -68,7 +68,7 @@ serde_json = "1.0.0"
 # Examples
 tokio = { version = "1", features = ["rt-multi-thread", "macros", "sync", "net"] }
 env_logger = { version = "0.5.3", default-features = false }
-#rustls = "0.18"
-#tokio-rustls = "0.20.0"
-#webpki = "0.21"
-#webpki-roots = "0.17"
+rustls = "0.19"
+tokio-rustls = "0.22"
+webpki = "0.21"
+webpki-roots = "0.21"

examples/akamai.rs

@@ -1,7 +1,3 @@
-fn main() {
-    eprintln!("TODO: Re-enable when tokio-rustls is upgraded.");
-}
-/*
 use h2::client;
 use http::{Method, Request};
 use tokio::net::TcpStream;
@@ -77,4 +73,3 @@ pub async fn main() -> Result<(), Box<dyn Error>> {
     }
     Ok(())
 }
-*/