chore(deps): update dependency sinon to v9 (#294)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -45,7 +45,7 @@
     "@types/lodash.difference": "^4.5.6",
     "@types/mocha": "^7.0.2",
     "@types/node": "^10.17.19",
-    "@types/sinon": "^7.5.2",
+    "@types/sinon": "^9.0.0",
     "chai": "^4.2.0",
     "coveralls": "^3.0.11",
     "eslint": "^6.8.0",
@@ -54,7 +54,7 @@
     "npm-run-all": "^4.1.5",
     "nyc": "^15.0.1",
     "rimraf": "^3.0.2",
-    "sinon": "^8.1.1",
+    "sinon": "^9.0.2",
     "tempy": "^0.5.0",
     "ts-node": "^8.8.2",
     "ts-node-test-register": "^8.0.1",