chore(main): release 7.21.0 (#2281)

* chore(main): release 7.21.0

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

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

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,18 @@
 
 [1]: https://www.npmjs.com/package/nodejs-spanner?activeTab=versions
 
+## [7.21.0](https://github.com/googleapis/nodejs-spanner/compare/v7.20.0...v7.21.0) (2025-04-15)
+
+
+### Features
+
+* Adding sample for pre-split feature ([#2274](https://github.com/googleapis/nodejs-spanner/issues/2274)) ([3d5f080](https://github.com/googleapis/nodejs-spanner/commit/3d5f08065fdf40a1c441d97a049d7dacf1a5be93))
+
+
+### Bug Fixes
+
+* Adding span attributes for request tag and transaction tag ([#2236](https://github.com/googleapis/nodejs-spanner/issues/2236)) ([3f69dad](https://github.com/googleapis/nodejs-spanner/commit/3f69dad36cfdeb4effd191e0d38079ead1bd6654))
+
 ## [7.20.0](https://github.com/googleapis/nodejs-spanner/compare/v7.19.1...v7.20.0) (2025-04-11)
 
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/spanner",
   "description": "Cloud Spanner Client Library for Node.js",
-  "version": "7.20.0",
+  "version": "7.21.0",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {