chore: update for aou changes

Author: antfu

packages/floating-vue/src/components/Popper.ts

@@ -643,10 +643,10 @@ export default () => defineComponent({
         options.middleware.push(size({
           boundary: this.boundary,
           padding: this.overflowPadding,
-          apply: ({ width, height }) => {
+          apply: ({ availableWidth, availableHeight }) => {
             // Apply and re-compute
-            this.$_innerNode.style.maxWidth = width != null ? `${width}px` : null
-            this.$_innerNode.style.maxHeight = height != null ? `${height}px` : null
+            this.$_innerNode.style.maxWidth = availableWidth != null ? `${availableWidth}px` : null
+            this.$_innerNode.style.maxHeight = availableHeight != null ? `${availableHeight}px` : null
           },
         }))
       }