The mod requires forge 43.1.30 but the most recent version I can find on the forge website for 1.19.2 is 43.1.25
How does one play on 1.19.2?

I don't know where you get that from. The most recent Forge for 1.19.2 is 43.2.13

For reference:

https://files.minecraftforge.net/net/minecraftforge/forge/index_1.19.2.html