rustls: update description (#121)

Co-authored-by: Nico Burns <nico@nicoburns.com>

Author: fcelda

data/crates.json

@@ -629,7 +629,7 @@
                     "name": "TLS / SSL",
                     "recommendations": [{
                         "name": "rustls",
-                        "notes": "A portable pure-rust high-level implementation of TLS. Implements TLS 1.2 and higher."
+                        "notes": "Rustls is a modern TLS library that aims to provide a good level of cryptographic security and no unsafe features or obsolete cryptography by default."
                     }, {
                         "name": "native-tls",
                         "notes": "Delegates to the system TLS implementations on windows and macOS, and uses OpenSSL on linux."