chore: [pubsub] migrate generator to google-cloud-node (#7978)

* docs: Fix documentation URL AIInference MessageTransform service_account_email field

PiperOrigin-RevId: 895485801

Source-Link: googleapis/googleapis@afb6d4b

Source-Link: googleapis/googleapis-gen@052d9ab
Copy-Tag: eyJwIjoiaGFuZHdyaXR0ZW4vcHVic3ViLy5Pd2xCb3QueWFtbCIsImgiOiIwNTJkOWFiNTA2MzQxYmJlZmFlZjc4OGNjODRlYjM1NWM3NDVkMDQ2In0=

* 🦉 Updates from OwlBot post-processor

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

* chore: migrate generator to google-cloud-node
chore: update generator system tests

PiperOrigin-RevId: 896174961

Source-Link: googleapis/googleapis@2233f63

Source-Link: googleapis/googleapis-gen@c4a8c4e
Copy-Tag: eyJwIjoiaGFuZHdyaXR0ZW4vcHVic3ViLy5Pd2xCb3QueWFtbCIsImgiOiJjNGE4YzRlZWY5NTlhYTc0NGZiMWM2NzE0ODc1ZmEyOTVlMDZhYWQzIn0=

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Shivanee <46910562+shivanee-p@users.noreply.github.com>

Author: gcf-owl-bot[bot]

handwritten/pubsub/.OwlBot.yaml

@@ -1,24 +1,19 @@
-# Copyright 2021 Google LLC
+# Copyright 2025 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
-#     http://www.apache.org/licenses/LICENSE-2.0
+#      http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
-deep-remove-regex:
-  - /owl-bot-staging
-
 deep-copy-regex:
-  - source: /google/pubsub/(v.*)/.*-nodejs
-    dest: /owl-bot-staging/pubsub/$1
-
-begin-after-commit-hash: 94496fa21b40a7f4d0c4881e8ed8b2bf4117e280
+    - source: /google/pubsub/google-pubsub-nodejs
+      dest: /owl-bot-staging/google-pubsub
 
+api-name: pubsub

handwritten/pubsub/.eslintignore

@@ -5,5 +5,3 @@ docs/
 protos/
 system-test/
 samples/generated/
-samples/typescript/
-owl-bot-staging/