fix: do not use empty auto-closing div

Author: graphieros

app/components/Chart/SplitSparkline.vue

@@ -244,7 +244,7 @@ const configs = computed(() => {
 
           <template #skeleton>
             <!-- This empty div overrides the default built-in scanning animation on load -->
-            <div />
+            <div></div>
           </template>
         </VueUiSparkline>
       </div>

app/components/Compare/FacetBarChart.vue

@@ -345,7 +345,7 @@ const config = computed<VueUiHorizontalBarConfig>(() => {
 
         <template #skeleton>
           <!-- This empty div overrides the default built-in scanning animation on load -->
-          <div />
+          <div></div>
         </template>
       </VueUiHorizontalBar>
     </ClientOnly>

app/components/Package/WeeklyDownloadStats.vue

@@ -434,7 +434,7 @@ const config = computed<VueUiSparklineConfig>(() => {
 
               <template #skeleton>
                 <!-- This empty div overrides the default built-in scanning animation on load -->
-                <div />
+                <div></div>
               </template>
             </VueUiSparkline>
             <template #fallback>