chore(package): update scratch-svg-renderer to version 0.2.0-prerelease.20190304180800

package.json

@@ -110,7 +110,7 @@
     "scratch-paint": "0.2.0-prerelease.20190114205252",
     "scratch-render": "0.1.0-prerelease.20190213183713",
     "scratch-storage": "1.2.2",
-    "scratch-svg-renderer": "0.2.0-prerelease.20190125192231",
+    "scratch-svg-renderer": "0.2.0-prerelease.20190304180800",
     "scratch-vm": "0.2.0-prerelease.20190226023539",
     "selenium-webdriver": "3.6.0",
     "startaudiocontext": "1.2.1",