Merge pull request mautic#15585 from kniziol/bugfix/add-missing-translation-to-the-segment-activity-15575

Missing translation string mautic.core.export.by.past.tense

Author: escopecz

app/bundles/CoreBundle/Translations/en_US/messages.ini

@@ -685,6 +685,7 @@ mautic.core.export.csv="Export to CSV"
 mautic.core.export.zip="Export to ZIP"
 mautic.core.export.xlsx="Export to Excel"
 mautic.core.export.items="Export selected %items%?"
+mautic.core.export.by.past.tense="Exported by"
 mautic.core.dynamicContent="Dynamic Content"
 mautic.core.dynamicContent.token_name="Name"
 mautic.core.dynamicContent.tab="Variation"