Update dependency webpack-sources to ^3.3.3 (#725)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -49,6 +49,6 @@
     "webpack-cli": "^6.0.1",
     "webpack-livereload-plugin": "^3.0.2",
     "webpack-merge": "^6.0.1",
-    "webpack-sources": "^3.2.3"
+    "webpack-sources": "^3.3.3"
   }
 }