chore(package): update scratch-svg-renderer to version 0.2.0-prerelease.20180907141232 (#3091)

package.json

@@ -101,7 +101,7 @@
     "scratch-paint": "0.2.0-prerelease.20180905220723",
     "scratch-render": "0.1.0-prerelease.20180824141819",
     "scratch-storage": "1.0.2",
-    "scratch-svg-renderer": "0.2.0-prerelease.20180817005452",
+    "scratch-svg-renderer": "0.2.0-prerelease.20180907141232",
     "scratch-vm": "0.2.0-prerelease.20180906133035",
     "selenium-webdriver": "3.6.0",
     "startaudiocontext": "1.2.1",