chore(main): release google-cloud-security-private_ca-v1 2.6.1 (#33717)

* chore(main): release google-cloud-security-private_ca-v1 2.6.1

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

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

Author: release-please[bot]

.release-please-manifest.json

@@ -727,7 +727,7 @@
   "google-cloud-secure_source_manager-v1+FILLER": "0.0.0",
   "google-cloud-security-private_ca": "2.1.0",
   "google-cloud-security-private_ca+FILLER": "0.0.0",
-  "google-cloud-security-private_ca-v1": "2.6.0",
+  "google-cloud-security-private_ca-v1": "2.6.1",
   "google-cloud-security-private_ca-v1+FILLER": "0.0.0",
   "google-cloud-security-private_ca-v1beta1": "0.17.1",
   "google-cloud-security-private_ca-v1beta1+FILLER": "0.0.0",

google-cloud-security-private_ca-v1/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+### 2.6.1 (2026-04-03)
+
+#### Documentation
+
+* update SelectiveGapicGeneration usage doc ([#33481](https://github.com/googleapis/google-cloud-ruby/issues/33481)) 
+
 ### 2.6.0 (2026-04-02)
 
 #### Features

google-cloud-security-private_ca-v1/lib/google/cloud/security/private_ca/v1/version.rb

@@ -22,7 +22,7 @@ module Cloud
     module Security
       module PrivateCA
         module V1
-          VERSION = "2.6.0"
+          VERSION = "2.6.1"
         end
       end
     end

google-cloud-security-private_ca-v1/snippets/snippet_metadata_google.cloud.security.privateca.v1.json

@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-security-private_ca-v1",
-    "version": "2.6.0",
+    "version": "2.6.1",
     "language": "RUBY",
     "apis": [
       {