fix!: The type of an existing field time_zone is changed from `mess…

…age` to `string` in message `.google.shopping.merchant.accounts.v1beta.ListAccountIssuesRequest`

fix!: An existing field `account_aggregation` is removed from message `.google.shopping.merchant.accounts.v1beta.CreateAndConfigureAccountRequest`
fix!: Changed field behavior for an existing field `service` in message `.google.shopping.merchant.accounts.v1beta.CreateAndConfigureAccountRequest`
fix!: Changed field behavior for an existing field `region_code` in message `.google.shopping.merchant.accounts.v1beta.RetrieveLatestTermsOfServiceRequest`
fix!: Changed field behavior for an existing field `kind` in message `.google.shopping.merchant.accounts.v1beta.RetrieveLatestTermsOfServiceRequest`
feat: A new field `account_aggregation` is added to message `.google.shopping.merchant.accounts.v1beta.CreateAndConfigureAccountRequest`
feat: A new message `AccountAggregation` is added
feat: A new service `AutofeedSettingsService` is added
feat: A new message `AutofeedSettings` is added
feat: A new resource_definition `merchantapi.googleapis.com/AutofeedSettings` is added
feat: A new message `GetAutofeedSettingsRequest` is added
feat: A new message `UpdateAutofeedSettingsRequest` is added
feat: A new field `korean_business_registration_number` is added to message `.google.shopping.merchant.accounts.v1beta.BusinessInfo`

PiperOrigin-RevId: 678841094

Source-Link: googleapis/googleapis@005df46

Source-Link: googleapis/googleapis-gen@1c58da1
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