Add Unreleased section to changelog

jamierocks · ADKaster · commit cd91c0e31e97 · 2025-04-10T14:05:19.000-06:00
This resolves a CI error where the 'getChangelog' task fails, as it
can't find the unreleased section.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 # Changelog
 
+## Unreleased
+
 ## 2.0.2 - 2025-04-10
 
 ### Changed
