Prepare for release v0.6.1 (#133)

Author: shsms

RELEASE_NOTES.md

@@ -1,17 +1,9 @@
 # Dispatch Highlevel Interface Release Notes
 
-## Summary
-
-<!-- Here goes a general summary of what this release is about -->
-
 ## Upgrading
 
 - Some minimal dependencies were updated, you might need to adjust your project's dependencies too.
 
 ## New Features
 
 - `DispatchInfo._src` was added for rare complex scenarios where the source of a dispatch needs to be accessed.
-
-## Bug Fixes
-
-<!-- Here goes notable bug fixes that are worth a special mention or explanation -->