Dependency vulnerability - Lodash

Description

From npm audit:
=== npm audit security report ===

High	Prototype Pollution
a	lodash
Patched in	>=4.17.12
Dependency of	serverless-cf-vars
Path	serverless-cf-vars > lodash
More info	https://nodesecurity.io/advisories/1065

Suggested action: update Lodash to latest version