Updating changelog for 3.1.1 release. (#53)

Updating changelog for upcoming change (v3.1.1) and prior ones

changelog.md

@@ -1,7 +1,19 @@
 # Change Log
 
-## `head`
-- fix refresh error to return the underlying http error instead of the token
+## `v3.1.1`
+- Change `Link` so it can handle parallel requests. 
+  [PR#52](https://github.com/Azure/azure-amqp-common-go/pull/52)
+
+## `v3.1.0`
+- Add support for passing managed identity user-assigned client ID.
+
+## `v3.0.1`
+- add context to message deposition methods
+- update dependencies
+
+## `v3.0.0`
+- switch from pack.ag/amqp to github.com/Azure/go-amqp
+- bump major version
 
 ## `v2.1.1`
 - bump amqp to v0.12.1

internal/version.go

@@ -2,5 +2,5 @@ package common
 
 const (
 	// Version is the semantic version of the library
-	Version = "3.1.0"
+	Version = "3.1.1"
 )