Update the overall and image-to-video benchmark table images with the latest Cosmos3-Edge numbers:
- Overall table: Image2Video 81.2 -> 81.1
- Image2Video table: PAIBench Overall 81.2 -> 81.1, Domain 84.1 -> 84.2, Quality 78.2 -> 78.1, RBench 51.9 -> 55.1, PhysicsIQ 33.2 -> 34.1