Upgrade github package

`github` package is now called `@octokit/rest` [1]

[1] https://github.com/octokit/rest.js/releases/tag/v14.0.0

deploy/bin/github-release.js

@@ -1,13 +1,12 @@
 #!/usr/bin/env node
-const GithubApi = require('github');
+const { Octokit } = require('@octokit/rest');
 const fs = require('fs');
-const mime = require('mime');
 const path = require('path');
 const dateformat = require('dateformat');
 
 const RELEASE_NAME = dateformat(new Date(), 'vyyyymmddHHMM', true);
 const OWNER = 'taskcluster';
-const REPO = 'docker-worker';
+const REPO = 'docker-worker-deploy';
 
 function signin() {
   if (!process.env.DOCKER_WORKER_GITHUB_TOKEN) {
@@ -16,49 +15,44 @@ function signin() {
     );
   }
 
-  const github = new GithubApi({
+  const github = new Octokit({
     timeout: 5000,
     host: 'api.github.com',
     protocol: 'https',
     headers: {
-      'user-agent': 'docker-worker'
+      'user-agent': REPO,
     },
     rejectUnauthorized: false, // default: true
-  });
-
-  github.authenticate({
-    type: 'token',
-    token: process.env.DOCKER_WORKER_GITHUB_TOKEN,
+    auth: process.env.DOCKER_WORKER_GITHUB_TOKEN,
   });
 
   return github;
 }
 
 function createRelease(github) {
   return github.repos.createRelease({
-    owner: 'taskcluster',
-    repo: 'docker-worker',
+    owner: OWNER,
+    repo: REPO,
     tag_name: RELEASE_NAME,
     name: RELEASE_NAME,
   });
 }
 
 // upload a file as a release asset
 function uploadFile(github, filename) {
-  const stat = fs.statSync(filename);
-  const stream = fs.createReadStream(filename);
+  const stream = fs.readFileSync(filename);
 
   return github.repos.getReleaseByTag({
     owner: OWNER,
     repo: REPO,
     tag: RELEASE_NAME,
   }).then(result => {
-    return github.repos.uploadAsset({
-      url: result.data.upload_url,
-      file: stream,
-      contentType: mime.lookup(filename),
-      contentLength: stat.size,
+    return github.repos.uploadReleaseAsset({
+      owner: OWNER,
+      repo: REPO,
+      release_id: result.data.id,
       name: path.basename(filename),
+      data: stream,
     });
   });
 }

package.json

@@ -17,10 +17,9 @@
   },
   "homepage": "https://github.com/taskcluster/docker-worker-deploy#readme",
   "dependencies": {
+    "@octokit/rest": "^17.6.0",
     "dateformat": "^3.0.3",
-    "github": "^14.0.0",
     "json-templater": "^1.2.0",
-    "mime": "^2.4.4",
     "mkdirp": "^1.0.4",
     "tweetnacl": "^1.0.3"
   }