Fix PS compatibility

[pmariglia]

Fixes compatibility with Pokemon Showdown after https://github.com/smogon/pokemon-showdown/pull/10285 created a separate folder for random-battles

I was able to get it to build these formats:

➜  randbats git:(main) ✗ node update
[Gen 9] Random Battle: 148.562s
[Gen 9] Random Doubles Battle: 147.732s
[Gen 9] Chimera 1v1 Random Battle: 155.077s
[Gen 8] Random Battle: 50.366s
[Gen 8] Random Doubles Battle: 49.972s
[Gen 8 BDSP] Random Battle: 137.390s
[Gen 7] Random Battle: 175.817s
[Gen 7 Let's Go] Random Battle: 42.193s
[Gen 6] Random Battle: 163.999s
[Gen 5] Random Battle: 153.295s
[Gen 4] Random Battle: 145.369s
[Gen 3] Random Battle: 128.253s
[Gen 2] Random Battle: 29.850s
[Gen 1] Random Battle: 9.121s

[scheibo]

Thanks much