feat: Structured data audit to validate issues from scrape data

[herzog31]

This is a major refactor of the structured data audit to support the following features:

• Instead of just relying on Google Search Console (GSC) to retrieve structured data issues, the audit now analyses the structured data extracted by WAE as part of the scraping process.
  • Customers not onboarded to GSC will be able to benefits from the audit.
  • See https://github.com/adobe/spacecat-content-scraper/pull/333 for more details.
  • For this the audit relies on the new https://github.com/adobe/structured-data-validator library.
• If a customer is onboarded to GSC, issues raised by GSC will be additionally considered, if not already covered by the validator. Customers that are not onboarded to GSC will not bloc
• Added prefix to all logs to facilitate monitoring of issues and missing features. This is in particular important for the further development of the validator.
• The audit now supports structured data in Microdata and RDFa formats, in addition to JSON-LD.
• Refactored of audit code and unit tests.

Related Issues

• SITES-28711 Remove dependency to Google Search Console
• SITES-28714 Support additional structured data formats

Needs to be merged together with https://github.com/adobe/spacecat-content-scraper/pull/333.

Thanks for contributing!

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