chore(package): update scratch-paint to version 0.2.0-prerelease.20181211153626

Closes #4013

package.json

@@ -105,7 +105,7 @@
     "scratch-audio": "0.1.0-prerelease.20181023202904",
     "scratch-blocks": "0.1.0-prerelease.1544217251",
     "scratch-l10n": "3.1.20181210144244",
-    "scratch-paint": "0.2.0-prerelease.20181203192800",
+    "scratch-paint": "0.2.0-prerelease.20181211153626",
     "scratch-render": "0.1.0-prerelease.20181127194508",
     "scratch-storage": "1.2.0",
     "scratch-svg-renderer": "0.2.0-prerelease.20181126212715",