doc: 更正单词拼写错误

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/Tooltips.razor

@@ -100,7 +100,7 @@
     <Tooltip Title="Manual trigger tooltip" Trigger="manual" @ref="_tooltip">
         <TooltipContent></TooltipContent>
     </Tooltip>
-    <Button Text="Tigger" OnClickWithoutRender="ToggleShow"></Button>
+    <Button Text="Trigger" OnClickWithoutRender="ToggleShow"></Button>
 </DemoBlock>
 
 <AttributeTable Items="@GetAttributes()" />