chore(main): release google-cloud-bigtable 2.12.2 (googleapis#32138)

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

Author: release-please[bot]

.release-please-manifest.json

@@ -167,7 +167,7 @@
   "google-cloud-bigquery-storage+FILLER": "0.0.0",
   "google-cloud-bigquery-storage-v1": "1.5.1",
   "google-cloud-bigquery-storage-v1+FILLER": "0.0.0",
-  "google-cloud-bigtable": "2.12.1",
+  "google-cloud-bigtable": "2.12.2",
   "google-cloud-bigtable+FILLER": "0.0.0",
   "google-cloud-bigtable-admin-v2": "1.15.1",
   "google-cloud-bigtable-admin-v2+FILLER": "0.0.0",

google-cloud-bigtable/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Release History
 
+### 2.12.2 (2025-11-04)
+
+#### Documentation
+
+* add warning about loading unvalidated credentials ([#32121](https://github.com/googleapis/google-cloud-ruby/issues/32121)) 
+
 ### 2.12.1 (2025-08-12)
 
 #### Bug Fixes

google-cloud-bigtable/lib/google/cloud/bigtable/version.rb

@@ -16,7 +16,7 @@
 module Google
   module Cloud
     module Bigtable
-      VERSION = "2.12.1".freeze
+      VERSION = "2.12.2".freeze
     end
   end
 end