fix: emit a job.errored event when processing job and encountering an…

… error

This allows the server to save the job state

lib/index.js

@@ -480,6 +480,8 @@ Runner.prototype = {
               debug(
                 `[runner:${self.id}] Job done with error. Project: ${job.project.name} Job ID: ${job._id}`
               );
+              self.emitter.emit('job.errored', jobdata);
+
               return next(err);
             }