releases.md in async-http-0.80.1 vs releases.md in async-http-0.81.0

@@ -1,6 +1,10 @@
 # Releases
 
+## v0.81.0
+
+  - Expose `protocol` and `endpoint` as tags to `async-pool` for improved instrumentation.
+
 ## v0.77.0
 
   - Improved HTTP/1 connection handling.
   - The input stream is no longer closed when the output stream is closed.