Update v8 changelog with v8.74.3

Author: jzempel

docs/changelogs/v8.md

@@ -9,6 +9,17 @@
 
 _Note: Gaps between patch versions are faulty, broken or test releases._
 
+## v8.74.3 (2024-03-07)
+
+#### :bug: Bug Fix
+* `dropdowns.next`
+  * [#1735](https://github.com/zendeskgarden/react-components/pull/1735) fix(dropdowns): controlled `Combobox` input value regression ([@jzempel](https://github.com/jzempel))
+  * [#1728](https://github.com/zendeskgarden/react-components/pull/1728) fix: allows menu to position correctly in RTL ([@geotrev](https://github.com/geotrev))
+
+#### :seedling: Internal
+* [#1713](https://github.com/zendeskgarden/react-components/pull/1713) chore(deps-dev): bump ip from 2.0.0 to 2.0.1 ([@dependabot[bot]](https://github.com/apps/dependabot))
+* [#1714](https://github.com/zendeskgarden/react-components/pull/1714) chore(deps): bump axios from 1.5.1 to 1.6.2 ([@dependabot[bot]](https://github.com/apps/dependabot))
+
 ## v8.74.2 (2024-02-15)
 
 #### :bug: Bug Fix