fix(i18n): format sparkline data label (#2519)

Author: graphieros

app/components/Package/WeeklyDownloadStats.vue

@@ -60,6 +60,7 @@ function handleModalTransitioned() {
 }
 
 const { fetchPackageDownloadEvolution } = useCharts()
+const numberFormatter = useNumberFormatter()
 
 const { accentColors, selectedAccentColor } = useAccentColor()
 
@@ -359,6 +360,9 @@ const config = computed<VueUiSparklineConfig>(() => {
         fontSize: 28,
         bold: false,
         color: colors.value.fg,
+        formatter: ({ value }) => {
+          return numberFormatter.value.format(value)
+        },
       },
       line: {
         color: colors.value.borderHover,