chore(webhooks): update dependencies

+ lodash@4.17.21
added 208 packages from 892 contributors in 4.512s
fixed 8 of 9 vulnerabilities in 209 scanned packages
  1 package update for 1 vulnerability involved breaking changes

+ redis@3.1.2
+ mocha@8.3.2
added 77 packages from 48 contributors, removed 3 packages and updated 11 packages in 8.948s
fixed 3 of 3 vulnerabilities in 209 scanned packages
  2 package updates for 2 vulnerabilities involved breaking changes

+ body-parser@1.19.0
+ js-yaml@3.14.1
+ nock@10.0.6
+ supertest@3.4.2
+ sinon@7.5.0
added 21 packages from 28 contributors, removed 11 packages, updated 29 packages, moved 3 packages and audited 293 packages in 6.064s