message: fix(svg): use kebab-cased name for `fill-opacity` attribute
diff: @@ -393,7 +393,7 @@ function createBackgroundVNode(
  else {
  const { color, opacity } = normalizeColor(backgroundColor);
  bgVNode.attrs.fill = color;
  - opacity < 1 && (bgVNode.attrs.fillOpacity = opacity);
  + opacity < 1 && (bgVNode.attrs['fill-opacity'] = opacity);
  }
  }
  return bgVNode;
  