docs: users can self enroll retail search feature on cloud console

[gcf-owl-bot]

• Regenerate this pull request now.

docs: suggest search users not to send IP and use hashed user id
docs: deprecate request_id in ImportProductsRequest
docs: deprecate search dynamic_facet_spec and suggest to config on cloud console
docs: keep the API doc up-to-date with recent changes
feat: add new AddLocalInventories and RemoveLocalInventories APIs
feat: users cannot switch to empty default branch unless force override
feat: allow search users to skip validation for invalid boost specs
feat: support search personalization
feat: search returns applied control ids in the response

BEGIN_COMMIT_OVERRIDE
docs: users can self enroll retail search feature on cloud console

docs: suggest search users not to send IP and use hashed user id
docs: deprecate request_id in ImportProductsRequest
docs: deprecate search dynamic_facet_spec and suggest to config on cloud console
docs: keep the API doc up-to-date with recent changes
feat: add new AddLocalInventories and RemoveLocalInventories APIs
feat: users cannot switch to empty default branch unless force override
feat: allow search users to skip validation for invalid boost specs
feat: support search personalization
feat: search returns applied control ids in the response
END_COMMIT_OVERRIDE

PiperOrigin-RevId: 437355889

Source-Link: googleapis/googleapis@4d00815

Source-Link: https://github.com/googleapis/googleapis-gen/commit/b2b798247d46c932737cf689744a827fae7e5313
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYjJiNzk4MjQ3ZDQ2YzkzMjczN2NmNjg5NzQ0YTgyN2ZhZTdlNTMxMyJ9

[snippet-bot]

Here is the summary of changes.

You are about to add 4 region tags.

• samples/generated_samples/retail_v2_generated_product_service_add_local_inventories_async.py:26, tag retail_v2_generated_ProductService_AddLocalInventories_async
• samples/generated_samples/retail_v2_generated_product_service_add_local_inventories_sync.py:26, tag retail_v2_generated_ProductService_AddLocalInventories_sync
• samples/generated_samples/retail_v2_generated_product_service_remove_local_inventories_async.py:26, tag retail_v2_generated_ProductService_RemoveLocalInventories_async
• samples/generated_samples/retail_v2_generated_product_service_remove_local_inventories_sync.py:26, tag retail_v2_generated_ProductService_RemoveLocalInventories_sync

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[parthea]

This is a breaking change (It would require users to update their code). Adding do not merge label while I confirm that we want to introduce a breaking change. If so , I need to check with the team on whether we should bump the major version. Another option is to roll back the breaking change.

[chenlei1216]

Thanks Anthonios! I'm aware that this might be a breaking change. But there is currently only one customer using this field and we will communicate with them with this update.
The major reason behind this is that we're planning to update promotion as a new resource in the future so it's better to update it sooner than later. We may bump the major version if that may help mitigate the risks.

[parthea]

Removing do not merge as there is currently only one customer using the field and the product team is in contact with that customer.