Strongholds don't generate in Bamboo Jungles

The bug

Since 20w21a, strongholds don't generate in Bamboo Jungles and Bamboo Jungle Hills in the Overworld. This only affect "normal" worlds, strongholds still generate in single-biome worlds or worlds with other custom biome generation.

An affected stronghold can be found in seed 14916203336864, at coordinates [-10000, 4384] (see attached screens). Notice that the stronghold is present in 20w20b, but has moved ~80 blocks in later versions so that the starting point isn't in a Bamboo Jungle biome anymore.

This is probably caused by the POSSIBLE_BIOMES list in OverworldBiomeSource missing the Bamboo Jungle (Hills) biomes.