fix: address broken JSON

[richardlau]

Refs: #285

---

Addresses this error after #285:

node:internal/modules/cjs/loader:1835
    throw err;
    ^

SyntaxError: /home/local/rlau/sandbox/github/email/iojs.org/aliases.json: Unexpected token ']', ..."com",
    ]
  },
  {"... is not valid JSON
    at parse (<anonymous>)
    at Object..json (node:internal/modules/cjs/loader:1832:39)
    at Module.load (node:internal/modules/cjs/loader:1423:32)
    at Function._load (node:internal/modules/cjs/loader:1246:12)
    at TracingChannel.traceSync (node:diagnostics_channel:322:14)
    at wrapModuleLoad (node:internal/modules/cjs/loader:235:24)
    at Module.require (node:internal/modules/cjs/loader:1445:12)
    at require (node:internal/modules/helpers:135:16)
    at Object.<anonymous> (/home/local/rlau/sandbox/github/email/update/update.js:37:17)
    at Module._compile (node:internal/modules/cjs/loader:1688:14)

[richardlau]

Deployed.