Upgrade now to 11.2.1

[hugomd]

Follow up to #48 to upgrade now to version 11.2.1.

This also fixes this issue (#45):

> Checking out hugomd-patch-1@784ab323c4c226a62c4df30aefaf07451c1bb6f0...
Error: /home/nowuser/src/now-cli: line 1: can't open �: no such file
> Setting GitHub status to "error"...
    at Socket.nowProc.stderr.on (/home/nowuser/src/src/core.js:82:49)
    at emitOne (events.js:121:20)
    at Socket.emit (events.js:211:7)
    at addChunk (_stream_readable.js:263:12)
    at readableAddChunk (_stream_readable.js:246:13)
    at Socket.Readable.push (_stream_readable.js:208:10)
    at Pipe.onread (net.js:597:20)

Which I believe is as a result of a change to the environment that deployments typically run on 🕵️‍♂️

✌️