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](oven-sh/setup-bun@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>

Author: dependabot[bot]

.github/workflows/run-tests.yml

@@ -18,7 +18,7 @@ jobs:
             - name: Checkout code
               uses: actions/checkout@v4
 
-            - uses: oven-sh/setup-bun@v1
+            - uses: oven-sh/setup-bun@v2
               with:
                 bun-version: latest