feat(aiplatform): Add Optimized feature store proto (#9635)

- [ ] Regenerate this pull request now.

feat: Add data_key field in feature online store service
feat: Add dedicated_serving_endpoint
feat: Add index_config field

PiperOrigin-RevId: 618280080

Source-Link: https://togithub.com/googleapis/googleapis/commit/d81d0b9e6993d6ab425dff4d7c3d05fb2e59fa57

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/a96b4d818e3d157e6f529616ad7b147d3f8aa387
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYTk2YjRkODE4ZTNkMTU3ZTZmNTI5NjE2YWQ3YjE0N2QzZjhhYTM4NyJ9
BEGIN_NESTED_COMMIT
feat(recaptchaenterprise): Existing resource_reference option of the field name is removed from message `google.cloud.recaptchaenterprise.v1.RelatedAccountGroupMemberShip`
feat: Existing resource_reference option of the field name is removed from message `google.cloud.recaptchaenterprise.v1.RelatedAccountGroup`

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feat: add Cloudflare key creation support

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chore: update go_package and Go importpath
PiperOrigin-RevId: 618268077

Source-Link: https://togithub.com/googleapis/googleapis/commit/0bf3720b22f359e98083e6246ec839d1a8f8bbf8

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/8a0ffab6fe0c6bfa08355b64462697df48efd648
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiOGEwZmZhYjZmZTBjNmJmYTA4MzU1YjY0NDYyNjk3ZGY0OGVmZDY0OCJ9
END_NESTED_COMMIT