fix(package): update jimp to version 0.11.0 (#179)

Co-authored-by: greenkeeper[bot] <23040076+greenkeeper[bot]@users.noreply.github.com>

Author: greenkeeper[bot]

package.json

@@ -52,7 +52,7 @@
     "chalk": "^3.0.0",
     "check-types": "^10.0.0",
     "fs": "0.0.2",
-    "jimp": "^0.10.3",
+    "jimp": "^0.11.0",
     "mockeer": "0.0.4",
     "pkg-dir": "4.2.0",
     "puppeteer": "^2.0.0",