update image-set-polyfill package version

Author: SuperOl3g

package.json

@@ -43,7 +43,7 @@
     "postcss-custom-selectors": "^3.0.0",
     "postcss-font-family-system-ui": "^1.0.1",
     "postcss-font-variant": "^2.0.0",
-    "postcss-image-set-polyfill": "0.3.2",
+    "postcss-image-set-polyfill": "^0.3.3",
     "postcss-initial": "^1.3.1",
     "postcss-media-minmax": "^2.1.0",
     "postcss-nesting": "^2.0.5",