Update RELEASE-NOTES.txt

Author: staskus

RELEASE-NOTES.txt

@@ -5,6 +5,7 @@
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 - [*] Order details: Fixes broken country selector navigation and "Non editable banner" width. [https://github.com/woocommerce/woocommerce-ios/pull/16171]
 - [*] Store widget: Fixes widget background colours for default and clean Liquid Glass mode. [https://github.com/woocommerce/woocommerce-ios/pull/16183]
+- [**] POS: Allow merchants to view, search, and manage POS orders directly within the POS interface. [https://github.com/woocommerce/woocommerce-ios/pull/16198]
 
 23.3
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