chore(main): release google-cloud-compute-v1 3.9.0 (#34966)

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

Author: release-please[bot]

.release-please-manifest.json

@@ -259,7 +259,7 @@
   "google-cloud-commerce-consumer-procurement-v1+FILLER": "0.0.0",
   "google-cloud-compute": "1.19.0",
   "google-cloud-compute+FILLER": "0.0.0",
-  "google-cloud-compute-v1": "3.8.0",
+  "google-cloud-compute-v1": "3.9.0",
   "google-cloud-compute-v1+FILLER": "0.0.0",
   "google-cloud-confidential_computing": "1.3.0",
   "google-cloud-confidential_computing+FILLER": "0.0.0",

google-cloud-compute-v1/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Release History
 
+### 3.9.0 (2026-07-20)
+
+#### Features
+
+* Update Compute Engine v1 API to revision 20260629 ([#1213](https://github.com/googleapis/google-cloud-ruby/issues/1213)) ([#34847](https://github.com/googleapis/google-cloud-ruby/issues/34847)) 
+
 ### 3.8.0 (2026-06-11)
 
 #### Features

google-cloud-compute-v1/lib/google/cloud/compute/v1/version.rb

@@ -21,7 +21,7 @@ module Google
   module Cloud
     module Compute
       module V1
-        VERSION = "3.8.0"
+        VERSION = "3.9.0"
       end
     end
   end