fix(l10n): Update English (United Kingdom) translations

Currently translated at 21.4% (3 of 14 strings)

Translation: Pachli/Core/Ui : Main
Translate-URL: https://hosted.weblate.org/projects/pachli/coreui-main/en_GB/

core/ui/src/main/res/values-en-rGB/strings.xml

@@ -2,4 +2,5 @@
 <resources>
     <string name="error_network">A network error occurred. Please check your connection and try again.</string>
     <string name="error_generic">An error occurred.</string>
+    <string name="action_refresh">Refresh</string>
 </resources>