chore(deps): update oven-sh/setup-bun action to v2

Author: renovate[bot]

.github/workflows/ci-bun.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: oven-sh/setup-bun@v1
+      - uses: oven-sh/setup-bun@v2
         with:
           bun-version: latest