add user visible note that login history expires

The display variant where no signin history items are present has been
made shorter and more appropriate.

locales/en-US.yml

@@ -479,6 +479,7 @@ youHaveNoGroups: "You have no groups"
 joinOrCreateGroup: "Get invited to a group or create your own."
 noHistory: "No history available"
 signinHistory: "Login history"
+signinHistoryExpires: "Data about past login attempts is automatically deleted after 60 days to comply with privacy regulations."
 disableAnimatedMfm: "Disable MFM with animation"
 doing: "Processing..."
 category: "Category"

packages/client/src/pages/settings/security.vue

@@ -12,6 +12,7 @@
 	
 	<FormSection>
 		<template #label>{{ i18n.ts.signinHistory }}</template>
+		<FormSlot>
 			<MkPagination :pagination="pagination">
 				<template #default="{items}">
 					<div>
@@ -25,7 +26,10 @@
 						</div>
 					</div>
 				</template>
+				<template #empty>{{ i18n.ts.noMoreHistory }}</template>
 			</MkPagination>
+			<template #caption>{{ i18n.ts.signinHistoryExpires }}</template>
+		</FormSlot>
 	</FormSection>
 
 	<FormSection>