chore: release 5.15.1 (#1466)

🤖 I have created a release \*beep\* \*boop\*
---
### [5.15.1](https://www.github.com/googleapis/nodejs-spanner/compare/v5.15.0...v5.15.1) (2021-09-08)


### Bug Fixes

* **deps:** google-gax v2.17.1 ([#1429](https://www.github.com/googleapis/nodejs-spanner/issues/1429)) ([3a1517c](https://www.github.com/googleapis/nodejs-spanner/commit/3a1517cff95bd00598935b30859c7991b4d4c4ca))
---


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 +4,13 @@
 
 [1]: https://www.npmjs.com/package/nodejs-spanner?activeTab=versions
 
+### [5.15.1](https://www.github.com/googleapis/nodejs-spanner/compare/v5.15.0...v5.15.1) (2021-09-08)
+
+
+### Bug Fixes
+
+* **deps:** google-gax v2.17.1 ([#1429](https://www.github.com/googleapis/nodejs-spanner/issues/1429)) ([3a1517c](https://www.github.com/googleapis/nodejs-spanner/commit/3a1517cff95bd00598935b30859c7991b4d4c4ca))
+
 ## [5.15.0](https://www.github.com/googleapis/nodejs-spanner/compare/v5.14.0...v5.15.0) (2021-08-26)
 
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/spanner",
   "description": "Cloud Spanner Client Library for Node.js",
-  "version": "5.15.0",
+  "version": "5.15.1",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {

samples/package.json

@@ -16,7 +16,7 @@
   "dependencies": {
     "@google-cloud/kms": "^2.1.3",
     "@google-cloud/precise-date": "^2.0.0",
-    "@google-cloud/spanner": "^5.15.0",
+    "@google-cloud/spanner": "^5.15.1",
     "yargs": "^16.0.0"
   },
   "devDependencies": {