chore(main): release google-shopping-merchant-accounts-v1beta 0.13.1

Author: release-please[bot]

.release-please-manifest.json

@@ -965,7 +965,7 @@
   "google-shopping-merchant-accounts+FILLER": "0.0.0",
   "google-shopping-merchant-accounts-v1": "0.5.1",
   "google-shopping-merchant-accounts-v1+FILLER": "0.0.0",
-  "google-shopping-merchant-accounts-v1beta": "0.13.0",
+  "google-shopping-merchant-accounts-v1beta": "0.13.1",
   "google-shopping-merchant-accounts-v1beta+FILLER": "0.0.0",
   "google-shopping-merchant-conversions": "0.3.0",
   "google-shopping-merchant-conversions+FILLER": "0.0.0",

google-shopping-merchant-accounts-v1beta/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+### 0.13.1 (2026-04-08)
+
+#### Documentation
+
+* update SelectiveGapicGeneration usage doc ([#33484](https://github.com/googleapis/google-cloud-ruby/issues/33484)) 
+
 ### 0.13.0 (2026-03-31)
 
 #### Features

google-shopping-merchant-accounts-v1beta/lib/google/shopping/merchant/accounts/v1beta/version.rb

@@ -22,7 +22,7 @@ module Shopping
     module Merchant
       module Accounts
         module V1beta
-          VERSION = "0.13.0"
+          VERSION = "0.13.1"
         end
       end
     end