Publish changelog for api-2024.08.14.10.34.40 (#4756)

* Publish changelog for api-2024.08.14.10.34.40

* Add note about rollback

* Fix spacing, lint

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Co-authored-by: sarayourfriend <24264157+sarayourfriend@users.noreply.github.com>
Co-authored-by: sarayourfriend <git@sarayourfriend.pictures>

documentation/changelogs/api/2024.08.14.10.34.40.md

@@ -0,0 +1,19 @@
+# 2024.08.14.10.34.40
+
+This release was temporarily rolled back to include fixes from these PRs:
+
+- https://github.com/WordPress/openverse/pull/4704
+- https://github.com/WordPress/openverse/pull/4757
+
+## Improvements
+
+- Generate Wikimedia thumbnail URLs on the fly
+  ([#4736](https://github.com/WordPress/openverse/pull/4736)) by @sarayourfriend
+
+## Bug Fixes
+
+- Correct response handling for checking dead links
+  ([#4748](https://github.com/WordPress/openverse/pull/4748)) by @sarayourfriend
+- Revert "Decrease thumbnail upstream timeout and add timing logs for thumbnail
+  requests" ([#4746](https://github.com/WordPress/openverse/pull/4746)) by
+  @AetherUnbound