Add Sora2 and Wan2.2 leaderboard rows

[YuanJianhao508]

Summary

This PR adds the Physics-IQ results for Sora 2 and Wan2.2, together with the corresponding WMReward-enhanced results reported in WMReward.

All four entries are single-frame conditioned (i2v) results.

Added leaderboard rows

| 3 | [Sora2 + WMReward (BoN)](https://arxiv.org/abs/2601.10553) | i2v | **46.4 %** :3rd_place_medal: | 2026-04-01 |
| 4 | [Wan2.2 + WMReward (BoN)](https://arxiv.org/abs/2601.10553) | i2v | 44.4 % | 2026-04-01 |
| 5 | [Sora2](https://openai.com/index/sora-2/) | i2v | 42.3 % | 2026-04-01 |
| 6 | [Wan2.2](https://github.com/Wan-Video/Wan2.2) | i2v | 38.3 % | 2026-04-01 |

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[YuanJianhao508]

Hi, I have submitted the CLA application for this GitHub account. Could you please re-run the PR check once the CLA has gone through? Thanks.