Vulnerability - Json Schema Prototype Pollution

[naveentej]

co-request@1.0.0,request@2.88.2,http-signature@1.2.0,jsprim@1.4.1,json-schema@0.2.3
request is now deprecated and http-signature has an update that addresses this vulnerability (fixed by json schema @0.4.0)
https://security.snyk.io/vuln/SNYK-JS-JSONSCHEMA-1920922