docs(CHANGES): Note QueryList update

Author: tony

CHANGES

@@ -15,6 +15,13 @@ $ pip install --user --upgrade --pre libvcs
 
 <!-- Maintainers, insert changes / features for the next release here -->
 
+### New
+
+- QueryList learned to `.get()` to pick the first result (#435)
+
+  - Raises error if no items found (unless `default=` keyword argument passed)
+  - Raises error if multipe items found
+
 ## libvcs 0.20.0 (2022-10-31)
 
 ### What's new