Update release notes

Author: schaubh

docs/source/Support/bskReleaseNotes.rst

@@ -26,7 +26,10 @@ Basilisk Release Notes
 
 Version |release|
 -----------------
-- text here
+- Removed deprecated use of astro constants from ``src/utilities/astroFunction.py``.
+  Users should be astrodynamics constants from ``Basilisk.architecture.astroConstants``.
+- Refactored the CI build system scripts
+
 
 Version 2.78.0 (August 30, 2025)
 --------------------------------