Update to 2.1.2

RELEASE_NOTES.md

@@ -1,3 +1,7 @@
+## 2.1.2
+- Features
+    - Reduce heap allocations in the receiving code path
+
 ## 2.1.1
 - Features
     - Improve performance when message logging is disabled

version.yml

@@ -1,2 +1,2 @@
-NugetVersion: 2.1.1
-AssemblyVersion: 2.1.1
+NugetVersion: 2.1.2
+AssemblyVersion: 2.1.2