update changelog

Changelog.md

@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.98] - 2025-05-30
+- Fix validity check in staffgraph filtering away any NRENs that had a zero value for a given year
+
+## [0.97] - 2025-05-28
+- Add fix for scrolling tables with more than one row in the header, the 2nd row in the header didn't follow
 
 ## [0.96] - 2025-04-07
 - Fix bug with re-render throwing away state on survey object in survey management