Update release notes

Signed-off-by: Sahas Subramanian <sahas.subramanian@proton.me>

Author: shsms

RELEASE_NOTES.md

@@ -10,7 +10,7 @@
 
 ## New Features
 
-* Adds a configuration class for microgrids copied from `frequenz-floss/lib-notebooks`.
+- This introduces the `ComponentGraphGenerator`, that connects to the assets API, fetches the assets for a specified microgrid, and builds a component graph for it, from which various formulas for the microgrid can be generated.
 
 ## Bug Fixes