Bump roughjs version to fix ellipse fills (#367)

package-lock.json

@@ -12833,9 +12833,9 @@
       }
     },
     "roughjs": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/roughjs/-/roughjs-4.0.1.tgz",
-      "integrity": "sha512-uw5PHL7yXjjUAnIylegD1TzsygaeDLs4qrMHdu+9xY16Fd1Db8L8qHm7YQTeLOoqqjhlhDtMGdWda/Qw8rX3ww=="
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/roughjs/-/roughjs-4.0.3.tgz",
+      "integrity": "sha512-bXqNB7R9f7Zg3D4x8Cgz4KCnP2FJJCEvOPgsrg3FSlq6tOFm3aTAC+Lb9z64m0tOGW4Lq3hzAp0UMpB4Dq4mhw=="
     },
     "rsvp": {
       "version": "4.8.5",

package.json

@@ -10,7 +10,7 @@
     "react": "16.12.0",
     "react-dom": "16.12.0",
     "react-scripts": "3.3.0",
-    "roughjs": "4.0.1"
+    "roughjs": "4.0.3"
   },
   "devDependencies": {
     "@types/jest": "^24.0.25",