fix: Bone Devil CR, XP, passive perception

[oznogon]

What does this do?

Fix transposed numbers on the Bone Devil monster entry, and a typo.

How was it tested?

docker build -t 5e-database . && docker run -p 27017:27017 -i -t 5e-database:latest
mongo 5e-database
> db['monsters'].find({ name: "Bone Devil" }, { xp: 1, challenge_rating: 1, senses: 1 }).pretty()
{
	"_id" : ObjectId("63de93d1149d54c9ff6c774f"),
	"senses" : {
		"darkvision" : "120 ft.",
		"passive_perception" : 12
	},
	"challenge_rating" : 9,
	"xp" : 5000
}

Is there a Github issue this is resolving?

Fixes #530.

Did you update the docs in the API? Please link an associated PR if applicable.

Couldn't find any docs that needed changing.

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[github-actions]

🎉 This PR is included in version 3.1.1 🎉

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