Bump cloud.google.com/go/bigtable from 1.39.0 to 1.40.1 in /sdks (#36448)

Bumps [cloud.google.com/go/bigtable](https://github.com/googleapis/google-cloud-go) from 1.39.0 to 1.40.1.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/CHANGES.md)
- [Commits](googleapis/google-cloud-go@pubsub/v1.39.0...bigtable/v1.40.1)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/bigtable
  dependency-version: 1.40.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

sdks/go.mod

@@ -26,7 +26,7 @@ toolchain go1.25.2
 
 require (
 	cloud.google.com/go/bigquery v1.71.0
-	cloud.google.com/go/bigtable v1.39.0
+	cloud.google.com/go/bigtable v1.40.1
 	cloud.google.com/go/datastore v1.20.0
 	cloud.google.com/go/profiler v0.4.3
 	cloud.google.com/go/pubsub v1.50.1

sdks/go.sum

@@ -137,8 +137,8 @@ cloud.google.com/go/bigquery v1.49.0/go.mod h1:Sv8hMmTFFYBlt/ftw2uN6dFdQPzBlREY9
 cloud.google.com/go/bigquery v1.50.0/go.mod h1:YrleYEh2pSEbgTBZYMJ5SuSr0ML3ypjRB1zgf7pvQLU=
 cloud.google.com/go/bigquery v1.71.0 h1:NvSZvXU1Hyb+YiRVKQPuQXGeZaw/0NP6M/WOrBqSx3g=
 cloud.google.com/go/bigquery v1.71.0/go.mod h1:GUbRtmeCckOE85endLherHD9RsujY+gS7i++c1CqssQ=
-cloud.google.com/go/bigtable v1.39.0 h1:NF0aaSend+Z5CKND2vWY9fgDwaeZ4bDgzUdgw8rk75Y=
-cloud.google.com/go/bigtable v1.39.0/go.mod h1:zgL2Vxux9Bx+TcARDJDUxVyE+BCUfP2u4Zm9qeHF+g0=
+cloud.google.com/go/bigtable v1.40.1 h1:k8HfpUOvn7sQwc6oNKqjvD/yjkwynf4qBuyKwh5cU08=
+cloud.google.com/go/bigtable v1.40.1/go.mod h1:LtPzCcrAFaGRZ82Hs8xMueUeYW9Jw12AmNdUTMfDnh4=
 cloud.google.com/go/billing v1.4.0/go.mod h1:g9IdKBEFlItS8bTtlrZdVLWSSdSyFUZKXNS02zKMOZY=
 cloud.google.com/go/billing v1.5.0/go.mod h1:mztb1tBc3QekhjSgmpf/CV4LzWXLzCArwpLmP2Gm88s=
 cloud.google.com/go/billing v1.6.0/go.mod h1:WoXzguj+BeHXPbKfNWkqVtDdzORazmCjraY+vrxcyvI=