Publish changelog for api-2024.04.09.03.50.11 (#4078)

* Publish changelog for api-2024.04.09.03.50.11

* Remove project proposal from changelog

---------

Co-authored-by: obulat <15233243+obulat@users.noreply.github.com>
Co-authored-by: Madison Swain-Bowden <bowdenm@spu.edu>

documentation/changelogs/api/2024.04.09.03.50.11.md

@@ -0,0 +1,20 @@
+# 2024.04.09.03.50.11
+
+## New Features
+
+- Show the additional search views documentation on the API docs site
+  ([#4056](https://github.com/WordPress/openverse/pull/4056)) by @obulat
+- Create the moderation decision model
+  ([#3989](https://github.com/WordPress/openverse/pull/3989)) by @dhruvkb
+
+## Improvements
+
+- Add warning to search response when source parameter has mixed validity
+  ([#4031](https://github.com/WordPress/openverse/pull/4031)) by @sarayourfriend
+- Remove provision for missing fields on `Hit`
+  ([#4027](https://github.com/WordPress/openverse/pull/4027)) by @dhruvkb
+
+## Internal Improvements
+
+- Remove potentially problematic `do_not_wait_for`
+  ([#4032](https://github.com/WordPress/openverse/pull/4032)) by @sarayourfriend