chore(package): update sinon-chai to version 3.0.0 (#128)

Author: greenkeeper[bot]

package.json

@@ -58,7 +58,7 @@
     "pdf2json": "^1.1.7",
     "remap-istanbul": "^0.10.0",
     "sinon": "^4.0.0",
-    "sinon-chai": "^2.12.0",
+    "sinon-chai": "^3.0.0",
     "tslint": "^5.5.0",
     "tslint-microsoft-contrib": "^5.0.1",
     "typescript": "^2.4.2"