build(deps): bump oven-sh/setup-bun from 1 to 2

Bumps [oven-sh/setup-bun](https://github.com/oven-sh/setup-bun) from 1 to 2.
- [Release notes](https://github.com/oven-sh/setup-bun/releases)
- [Commits](https://github.com/oven-sh/setup-bun/compare/v1...v2)

---
updated-dependencies:
- dependency-name: oven-sh/setup-bun
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/bun-dependabot.yml

@@ -14,7 +14,7 @@ jobs:
     if: github.actor == 'dependabot[bot]'
     runs-on: ubuntu-latest
     steps:
-      - uses: oven-sh/setup-bun@v1
+      - uses: oven-sh/setup-bun@v2
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0