Deprecate `network_service` with `network_endpoint` in `CrawlConfig`.
Deprecate `network_service` with `network_endpoint` in `CrawlConfig`.

PiperOrigin-RevId: 416210800
Change-Id: I63cbf60e9f859aa7f9724febe314bcb1b00f9b34

google/tsunami-security-scanner,google/tsunami-security-scanner,google/tsunami-security-scanner