fix color

src/components/IssueActivityChart.vue

@@ -61,7 +61,7 @@ const chartData = computed<ChartData<'bar'>>(() => ({
     {
       label: 'Created',
       data: days.value.map((day) => day.created),
-      backgroundColor: themeColor('primary'),
+      backgroundColor: themeColor('error'),
     },
     ...(statuses.value ?? []).map((status) => ({
       label: `→ ${status.name}`,