chore: release 1.1.2 (#404)
chore: release 1.1.2 (#404)

* updated CHANGELOG.md

* updated package.json

* updated samples/package.json

GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples