Can other ECHR signatories or the ICC take criminal action against UK civil servants who break the law?

https://www.theguardian.com/politics/2024/jan/17/unions-condemn-rule-change-that-could-force-civil-servants-to-break-law-on-rwanda-plan

Unions condemn plan to make civil servants ignore ECHR Rwanda rulings

Government says it intends to change rules to order officials to follow ministerial decisions contrary to Strasbourg injunctions

The Guardian