Merge pull request #947 from serverless-heaven/dependabot/npm_and_yarn/serverless-2.57.0

chore(deps-dev): bump serverless from 2.56.0 to 2.57.0

Author: j0k3r

package-lock.json

@@ -74,7 +74,7 @@
     "nyc": "^15.1.0",
     "prettier": "^2.3.2",
     "prettier-eslint-cli": "^5.0.1",
-    "serverless": "^2.56.0",
+    "serverless": "^2.57.0",
     "sinon": "^11.1.2",
     "sinon-chai": "^3.7.0"
   },