[Breaking Change] Breaking changes PR check does not check against latest GA version

[mikekistler]

The Breaking Change(Cross-Version) check in PR 13404 checks for breaking changes against the earlier preview (2023-01-01-preview) but not against the latest GA (2023-06-01).

This issue belongs to a set of related (and possibly at least partially duplicate) issues:

• [Breaking Change][PR Workflow] pipeline can auto-detect a prior approval #4850
• [Breaking Change] (Cross Version) should not compare against old preview #5024
• [Breaking Change][PR Workflow] Breaking Changes should not flag breaks from prior preview as errors #6396
• [Breaking Change] Breaking changes PR check does not check against latest GA version #6567

[josefree]

Another case can be referred for this issue Azure/azure-rest-api-specs#23327