feat: [ShoppingMerchantReports] add store_type to product_performance_view (#9133)

* feat: add `store_type` to `product_performance_view`
feat: add `status_per_reporting_context` to `product_view`
docs: update comments for `SearchRequest`, `ProductView`, and `AggregatedReportingContextStatus`

PiperOrigin-RevId: 905592672

Source-Link: googleapis/googleapis@114cd0b

Source-Link: googleapis/googleapis-gen@a9e5757
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* 🦉 Updates from OwlBot post-processor

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

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ShoppingMerchantReports/metadata/V1/Reports.php

@@ -41,7 +41,7 @@
  *                       For details on how to construct your query, see the [Query Language
  *                       guide](/merchant/api/guides/reports/query-language). For the full list of
  *                       available tables and fields, see the [Available
- *                       fields](/merchant/api/reference/rest/reports_v1/accounts.reports).
+ *                       fields][google.shopping.merchant.reports.v1.ReportRow].
  */
 function search_sample(string $parent, string $query): void
 {