Add a peer dependency

bun add @types/bun --peer

{
	"peerDependencies": {
		"@types/bun": "^1.3.0"
	}
}

{
	"peerDependencies": {
		"@types/bun": "^1.3.0"
	},
	"peerDependenciesMeta": {
		"@types/bun": {
			"optional": true
		} 
	}
}