TUN-6617: Updated CHANGES.md for protocol stickiness

Author: sudarshan-reddy

CHANGES.md

@@ -1,3 +1,8 @@
+## 2022.8.1
+### New Features
+- cloudflared now remembers if it connected to a certain protocol successfully. If it did, it does not fall back to a lower
+  protocol on connection failures.
+
 ## 2022.7.1
 ### New Features
 - It is now possible to connect cloudflared tunnel to Cloudflare Global Network with IPv6. See `cloudflared tunnel --help` and look for `edge-ip-version` for more information. For now, the default behavior is to still connect with IPv4 only.