Add changelog

Author: rly

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 ### Fixed
 - Fixed incorrect warning for path not ending in `.nwb` when no path argument was provided. @t-b [#2130](https://github.com/NeurodataWithoutBorders/pynwb/pull/2130)
-
+- Fixed import structure test. @rly [#2136](https://github.com/NeurodataWithoutBorders/pynwb/pull/2136)
 ### Documentation and tutorial enhancements
 - Change UI of assistant to be an accordion that is always visible. [#2124](https://github.com/NeurodataWithoutBorders/pynwb/pull/2124)