Update RELEASE_NOTES.md

Author: hyazinthh

.github/workflows/publish.yml

@@ -3,7 +3,6 @@ on:
   push:
     branches:
       - main
-      - v56
     paths:
       - RELEASE_NOTES.md
       - .github/workflows/publish.yml

RELEASE_NOTES.md

@@ -1,3 +1,13 @@
+### 5.6.0
+- Updated to Aardvark.Rendering 5.6 packages
+- [Animation] Improved real-time tick generation
+- [Animation] Renamed path to sequential
+- [Animation] Added Splines.DefaultErrorTolerance
+- [Animation] Added and simplified time-related utilities
+- [Animation] Simplified specifying iterations
+- [Animation] Composite animations can now be created from empty inputs resulting in empty animations
+- [Animation] Fixed various bugs
+
 ### 5.6.0-prerelease0002
 - Updated rendering packages
 - Various improvements and fixes for the animation system