HOFF-725 Fix security vulnerability browserify-sign

[muthrajan]

What?

Security vulnerability browserify-sign - HOFF-725

Why?

Hof needs to be updated to use browserify-sign @4.2.3

How?

yarn.lock file is updated with browserify-sign @4.2.3 and dependencies

Testing?

Tested on other services

Anything Else? (optional)

Check list

• [x] I have reviewed my own pull request for linting issues (e.g. adding new lines)
• [x] I have written tests (if relevant) - not applicable
• [x] I have created a JIRA number for my branch
• [x] I have created a JIRA number for my commit
• [x] I have followed the chris beams method for my commit https://cbea.ms/git-commit/ here is an example commit
• [x] Ensure drone builds are green especially tests
• [x] I will squash the commits before merging