chore: release 1.1.0 (#240)

* updated CHANGELOG.md

* updated package.json

* updated samples/package.json

Author: yoshi-automation

cloud-tasks/package.json

@@ -12,7 +12,7 @@
     "start": "node server.js"
   },
   "dependencies": {
-    "@google-cloud/tasks": "^1.0.0",
+    "@google-cloud/tasks": "^1.1.0",
     "body-parser": "^1.18.3",
     "express": "^4.16.3",
     "yargs": "^13.0.0"