Add 2.4.42 changelog entry

Author: AkenRoberts

CHANGELOG-v2.4.x.md

@@ -8,6 +8,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
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+## [2.4.42] - 2020-08-20
+### Translatable
+#### Fixed
+- Allow for both falsy and null-fallback translatable values (#2152)
+
 ## [2.4.41] - 2020-05-10
 ### Sluggable
 #### Fixed