Bump schannel for steffengy/schannel-rs#57

Author: jonhoo

Cargo.toml

@@ -18,7 +18,7 @@ libc = "0.2"
 tempfile = "3.0"
 
 [target.'cfg(target_os = "windows")'.dependencies]
-schannel = "0.1.13"
+schannel = "0.1.16"
 
 [target.'cfg(not(any(target_os = "windows", target_os = "macos", target_os = "ios")))'.dependencies]
 log = "0.4.5"