chore: add bunfig.toml (#8551)

**Motivation**

- #7280 

**Description**

- set some basic options for this project
  - increase console depth
- bun 1.3, added isolated installs, which are cool, but we want the
simpler hoisted installs for now
  - alias `node` as `bun` when running `bun run`

bunfig.toml

@@ -0,0 +1,13 @@
+[console]
+# See https://bun.com/docs/runtime/bunfig#console-depth
+depth = 3
+
+[install]
+# See https://bun.com/docs/runtime/bunfig#install-linker
+# TODO revisit this once we move to bun-only and can use catalogues
+linker = "hoisted"
+
+[run]
+# See https://bun.com/docs/runtime/bunfig#run-bun-auto-alias-node-to-bun
+bun = true
+