chore(main): release google-cloud-security-public_ca-v1beta1 0.12.1

Author: release-please[bot]

.release-please-manifest.json

@@ -735,7 +735,7 @@
   "google-cloud-security-public_ca+FILLER": "0.0.0",
   "google-cloud-security-public_ca-v1": "1.4.0",
   "google-cloud-security-public_ca-v1+FILLER": "0.0.0",
-  "google-cloud-security-public_ca-v1beta1": "0.12.0",
+  "google-cloud-security-public_ca-v1beta1": "0.12.1",
   "google-cloud-security-public_ca-v1beta1+FILLER": "0.0.0",
   "google-cloud-security_center": "2.1.0",
   "google-cloud-security_center+FILLER": "0.0.0",

google-cloud-security-public_ca-v1beta1/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+### 0.12.1 (2026-04-03)
+
+#### Documentation
+
+* update SelectiveGapicGeneration usage doc ([#33481](https://github.com/googleapis/google-cloud-ruby/issues/33481)) 
+
 ### 0.12.0 (2026-04-02)
 
 #### Features

google-cloud-security-public_ca-v1beta1/lib/google/cloud/security/public_ca/v1beta1/version.rb

@@ -22,7 +22,7 @@ module Cloud
     module Security
       module PublicCA
         module V1beta1
-          VERSION = "0.12.0"
+          VERSION = "0.12.1"
         end
       end
     end