Update DeepImpact reproducibility
@@ -87,3 +87,4 @@ The final evaluation metric is very close to the one reported in the paper (0.32
## Reproduction Log[*](reproducibility.md)
+ Results reproduced by [@MXueguang](https://github.com/MXueguang) on 2021-06-17 (commit [`ff618db`](https://github.com/castorini/anserini/commit/ff618dbf87feee0ad75dc42c72a361c05984097d))
++ Results reproduced by [@JMMackenzie](https://github.com/jmmackenzie) on 2021-06-22 (commit [`490434`](https://github.com/castorini/anserini/commit/490434172a035b6eade8c17771aed83cc7f5d996))
