chore: release 4.8.0 (#852)

* updated CHANGELOG.md [ci skip]

* updated package.json [ci skip]

* updated samples/package.json [ci skip]

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,14 @@
 
 [1]: https://www.npmjs.com/package/nodejs-spanner?activeTab=versions
 
+## [4.8.0](https://www.github.com/googleapis/nodejs-spanner/compare/v4.7.0...v4.8.0) (2020-03-12)
+
+
+### Features
+
+* add backups API ([#851](https://www.github.com/googleapis/nodejs-spanner/issues/851)) ([faf224d](https://www.github.com/googleapis/nodejs-spanner/commit/faf224dc4010337829eb0b6ecd7df274f1de5fff))
+* add support for QueryOptions ([#846](https://www.github.com/googleapis/nodejs-spanner/issues/846)) ([c1098c5](https://www.github.com/googleapis/nodejs-spanner/commit/c1098c5f4509918cacd3942b8f09354c88a85bb9))
+
 ## [4.7.0](https://www.github.com/googleapis/nodejs-spanner/compare/v4.6.2...v4.7.0) (2020-02-27)
 
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/spanner",
   "description": "Cloud Spanner Client Library for Node.js",
-  "version": "4.7.0",
+  "version": "4.8.0",
   "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": "^4.7.0",
+    "@google-cloud/spanner": "^4.8.0",
     "yargs": "^15.0.0"
   },
   "devDependencies": {