Update rustls to 0.15

LucioFranco · seanmonstar · commit 9ee81e860746 · 2019-07-08T10:56:13.000-07:00
diff --git a/tower-grpc-interop/Cargo.toml b/tower-grpc-interop/Cargo.toml
@@ -31,7 +31,7 @@ http-connection = "0.1"
 
 clap = "2.33.0"
 console = "0.7"
-rustls = "0.14.0"
+rustls = "0.15.0"
 domain = "0.2.2"
 
 [build-dependencies]
