Upgrade to finish resolving CVE-2017-16137

[jeffsays]

Summary

What does this PR do?

• Resolve CVE-2017-16137	Affected versions	Patched versions
  < 2.6.9	2.6.9
  >= 3.0.0, < 3.1.0	3.1.0
  >= 3.2.0, < 3.2.7	3.2.7
  >= 4.0.0, < 4.3.1	4.3.1

  └─ debug@npm:4.3.4 [4758f] (via npm:^4.1.0 [4758f])
  │  └─ debug@npm:2.6.9 (via npm:^2.6.8)
  │  └─ debug@npm:2.6.9 (via npm:^2.6.9)
  │  └─ debug@npm:2.6.9 [2bcc4] (via npm:^2.2.0 [2bcc4])
  │  └─ debug@npm:3.2.7 [44cf7] (via npm:^3.1.0 [44cf7])
  │  └─ debug@npm:4.3.4 [4758f] (via npm:^4.1.0 [4758f])

Testing

How can the other reviewers check that your change works?

build should pass