chore(main): release bigtable 1.40.2

Author: release-please[bot]

.release-please-manifest-individual.json

@@ -1,6 +1,6 @@
 {
   "bigquery": "1.71.0",
-  "bigtable": "1.40.1",
+  "bigtable": "1.40.2",
   "datastore": "1.20.0",
   "errorreporting": "0.3.2",
   "firestore": "1.19.0",

bigtable/CHANGES.md

@@ -1,5 +1,12 @@
 # Changes
 
+## [1.40.2](https://github.com/googleapis/google-cloud-go/compare/bigtable/v1.40.1...bigtable/v1.40.2) (2025-10-13)
+
+
+### Performance Improvements
+
+* **bigtable:** Parallelize the exportTimeSeries function ([#13004](https://github.com/googleapis/google-cloud-go/issues/13004)) ([bafd691](https://github.com/googleapis/google-cloud-go/commit/bafd691de181bf19f39e55d15e1782156524b6ae)), refs [#12920](https://github.com/googleapis/google-cloud-go/issues/12920)
+
 ## [1.40.1](https://github.com/googleapis/google-cloud-go/compare/bigtable/v1.40.0...bigtable/v1.40.1) (2025-09-26)
 
 

bigtable/internal/version.go

@@ -15,4 +15,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "1.40.1"
+const Version = "1.40.2"