chore: miseにBunを追加

Author: 3w36zj6

.mise.toml

@@ -2,6 +2,7 @@
 # python is managed by .python-version
 uv = "0.5.1"
 node = "22.11.0"
+bun = "1.1.37"
 
 [env]
 _.python.venv = { path = ".venv", create = true }