chore: release 4.0.2 (#677)

* updated CHANGELOG.md [ci skip]

* updated package.json [ci skip]

* updated samples/package.json [ci skip]

Author: yoshi-automation

CHANGELOG.md

@@ -4,6 +4,14 @@
 
 [1]: https://www.npmjs.com/package/nodejs-spanner?activeTab=versions
 
+### [4.0.2](https://www.github.com/googleapis/nodejs-spanner/compare/v4.0.1...v4.0.2) (2019-08-09)
+
+
+### Bug Fixes
+
+* allow calls with no request, add JSON proto ([4a478a7](https://www.github.com/googleapis/nodejs-spanner/commit/4a478a7))
+* **deps:** use the latest extend ([#678](https://www.github.com/googleapis/nodejs-spanner/issues/678)) ([a094fdd](https://www.github.com/googleapis/nodejs-spanner/commit/a094fdd))
+
 ### [4.0.1](https://www.github.com/googleapis/nodejs-spanner/compare/v4.0.0...v4.0.1) (2019-07-29)
 
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/spanner",
   "description": "Cloud Spanner Client Library for Node.js",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {

samples/package.json

@@ -14,7 +14,7 @@
     "test": "mocha system-test --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/spanner": "^4.0.1",
+    "@google-cloud/spanner": "^4.0.2",
     "yargs": "^13.0.0"
   },
   "devDependencies": {