Docs: Translate `ImageUtils` page (#28159)

docs/api/zh/extras/ImageUtils.html

@@ -10,16 +10,15 @@
 		<h1>[name]</h1>
 
 		<p class="desc">
-		A class containing utility functions for images.
+		包含Image功能函数的工具类
 		</p>
 
-		<h2>Methods</h2>
+		<h2>方法（Methods）</h2>
 
 		<h3>[method:String getDataURL]( [param:HTMLCanvasElement image] | [param:HTMLImageElement image] | [param:ImageBitmap image] )</h3>
 		<p>
-		image -- The image object.<br /><br />
-
-		Returns a data URI containing a representation of the given image.
+		image -- Image对象<br /><br />
+		返回Image对象的DataURL<br />
 		</p>
 
 		<h2>Source</h2>