browserify not getting upgrades

[DennisOSRM]

consider switching to web pack as a maintained alternative. This would allow getting rid of vulnerabilities warnings in npm:

$ npm audit
# npm audit report

brace-expansion  <1.1.13 || >=2.0.0 <2.0.3
Severity: moderate
brace-expansion: Zero-step sequence causes process hang and memory exhaustion - https://github.com/advisories/GHSA-f886-m6hf-6m8v
brace-expansion: Zero-step sequence causes process hang and memory exhaustion - https://github.com/advisories/GHSA-f886-m6hf-6m8v
fix available via `npm audit fix`
node_modules/brace-expansion
node_modules/glob/node_modules/brace-expansion

elliptic  *
Elliptic Uses a Cryptographic Primitive with a Risky Implementation - https://github.com/advisories/GHSA-848j-6mx2-7j84
fix available via `npm audit fix`
node_modules/elliptic
  browserify-sign  >=2.4.0
  Depends on vulnerable versions of elliptic
  node_modules/browserify-sign
    crypto-browserify  >=3.4.0
    Depends on vulnerable versions of browserify-sign
    Depends on vulnerable versions of create-ecdh
    node_modules/browserify/node_modules/crypto-browserify
  create-ecdh  *
  Depends on vulnerable versions of elliptic
  node_modules/create-ecdh

5 vulnerabilities (4 low, 1 moderate)

To address all issues, run:
  npm audit fix