Update the changelog

Author: stakx

CHANGELOG.md

@@ -15,6 +15,7 @@ The format is loosely based on [Keep a Changelog](http://keepachangelog.com/en/1
 * Setup not triggered due to VB.NET transparently inserting superfluous type conversions into a setup expression (@InteXX, #1067)
 * Nested mocks created by `Mock.Of<T>()` no longer have their properties stubbed since version 4.14.0 (@vruss, @1071)
 * `Verify` fails for recursive setups not explicitly marked as `Verifiable` (@killergege, #1073)
+* `Mock.Of<>` fails for COM interop types that are annotated with a `[CompilerGenerated]` custom attribute (@killergege, #1072)
 
 
 ## 4.14.6 (2020-09-30)