Add Sentry.setContext to worker tasks (#268)

This will make sentry errors more relevant.

Related issues: #149, #267

Docs: https://docs.sentry.io/platforms/node/enriching-events/context/

src/worker/worker.ts

@@ -1,3 +1,5 @@
+import * as Sentry from '@sentry/node'
+
 import { initApp } from '../init'
 import { createServer } from '../shared/server'
 import { status } from '../shared/status'
@@ -28,6 +30,8 @@ export const createTaskRunner = (server: PluginsServer): TaskWorker => async ({
     const timer = new Date()
     let response
 
+    Sentry.setContext('task', { task, args })
+
     if (task === 'hello') {
         response = `hello ${args[0]}!`
     }