feat: Introduce configurable grouping patterns

[naydav]

Please ensure your pull request adheres to the following guidelines:

• [ ] make sure to link the related issues in this description. Or if there's no issue created, make sure you describe here the problem you're solving.
• [ ] when merging / squashing, make sure the fixed issue references are visible in the commits, for easy compilation of release notes

If the PR is changing the API specification:

• [ ] make sure you add a "Not implemented yet" note the endpoint description, if the implementation is not ready yet. Ideally, return a 501 status code with a message explaining the feature is not implemented yet.
• [ ] make sure you add at least one example of the request and response.

If the PR is changing the API implementation or an entity exposed through the API:

• [ ] make sure you update the API specification and the examples to reflect the changes.

If the PR is introducing a new audit type:

• [ ] make sure you update the API specification with the type, schema of the audit result and an example

Related Issues

https://jira.corp.adobe.com/browse/SITES-24889 [Auto Detect] Introduce configurable grouping patterns for CWV data

Related PRs

https://github.com/adobe/spacecat-api-service/pull/571 https://github.com/adobe/spacecat-shared/pull/439 https://github.com/adobe/spacecat-audit-worker/pull/462

Thanks for contributing!

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This PR will trigger a minor release when merged.