[Protocol Versioning] Integration Test for new HCU mechanism

[AlexHentschel]

Overarching Product Goal

This issue is part of Epic #6999. The overall goal is to evolve Versioning of Execution Stack to use the Dynamic Protocol State, and subsequently employ this versioning information for

1. coordinating EN HCUs (see Flip 298 for more context on product relevance and impact)
2. the ANs to supports script execution across breaking HCU version boundaries (see OKR description for more context on product relevance and impact)

This issue is part of 1.

Detailed Task Description

I think it would be desirable to have an integration test of the entire flow: Governance Transaction to EN stopping at specified threshold height. Though, not entirely sure if we want to invest the effort.

Further Reading:

• section 📝 2025-03-04 Review of implementation proposal in notion doc Execution State Parameters in the Dynamic Protocol State

[github-actions]

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