chore: release 6.4.0 (#798)

🤖 I have created a release \*beep\* \*boop\*
---
## [6.4.0](https://www.github.com/googleapis/nodejs-datastore/compare/v6.3.1...v6.4.0) (2021-04-29)


### Features

* Add createIndex, deleteIndex protos ([#797](https://www.github.com/googleapis/nodejs-datastore/issues/797)) ([3ff1f51](https://www.github.com/googleapis/nodejs-datastore/commit/3ff1f51f19297db94a370ec3fc9130f36e25ea70))


### Bug Fixes

* **deps:** update dependency sinon to v10 ([#810](https://www.github.com/googleapis/nodejs-datastore/issues/810)) ([267992f](https://www.github.com/googleapis/nodejs-datastore/commit/267992f4f1523fc5038715b009ebc697c5ca8255))
---


This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,18 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/datastore?activeTab=versions
 
+## [6.4.0](https://www.github.com/googleapis/nodejs-datastore/compare/v6.3.1...v6.4.0) (2021-04-29)
+
+
+### Features
+
+* Add createIndex, deleteIndex protos ([#797](https://www.github.com/googleapis/nodejs-datastore/issues/797)) ([3ff1f51](https://www.github.com/googleapis/nodejs-datastore/commit/3ff1f51f19297db94a370ec3fc9130f36e25ea70))
+
+
+### Bug Fixes
+
+* **deps:** update dependency sinon to v10 ([#810](https://www.github.com/googleapis/nodejs-datastore/issues/810)) ([267992f](https://www.github.com/googleapis/nodejs-datastore/commit/267992f4f1523fc5038715b009ebc697c5ca8255))
+
 ### [6.3.1](https://www.github.com/googleapis/nodejs-datastore/compare/v6.3.0...v6.3.1) (2020-11-25)
 
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@google-cloud/datastore",
-  "version": "6.3.1",
+  "version": "6.4.0",
   "description": "Cloud Datastore Client Library for Node.js",
   "keywords": [
     "google apis client",

samples/package.json

@@ -14,7 +14,7 @@
     "test": "mocha --timeout=600000"
   },
   "dependencies": {
-    "@google-cloud/datastore": "^6.3.1",
+    "@google-cloud/datastore": "^6.4.0",
     "sinon": "^10.0.0"
   },
   "devDependencies": {