Your question is Managing Critical Cross-Team Dependency. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are leading an engineering project and realize a key deliverable depends on another team that is slipping or has different priorities. Your timeline is now at risk, and you need to keep the project moving without creating unnecessary conflict or losing stakeholder confidence.
How would you handle a situation where your project is at risk because of a dependency on another team?