chore(deps-dev): bump prettier in the bun-dependencies group

Bumps the bun-dependencies group with 1 update: [prettier](https://github.com/prettier/prettier).


Updates `prettier` from 3.8.4 to 3.9.1
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/3.8.4...3.9.1)

---
updated-dependencies:
- dependency-name: prettier
  dependency-version: 3.9.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: bun-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

bun.lock

@@ -10,6 +10,6 @@
     },
   },
   "packages": {
-    "prettier": ["prettier@3.8.4", "", { "bin": { "prettier": "bin/prettier.cjs" } }, "sha512-N2MylSdi48+5N/6S5j+maeHbUSIzzZ5uOcX5Hm4QpV8Dkb1HFjfAKTKX6yNPJQD9AhcT3ifHNB66tWTTJDi11Q=="],
+    "prettier": ["prettier@3.9.1", "", { "bin": { "prettier": "bin/prettier.cjs" } }, "sha512-ppiDo2CSwexck1eyZUwJHg/N3nf1+6IRCv7W/VJ5vaLnVCmB7+3CdRfMwoCHBBX6xTrREDTksZ4OZl5SSf4zXA=="],
   }
 }