chore(github-deps): bump oven-sh/setup-bun from 2.1.2 to 2.1.3

Bumps [oven-sh/setup-bun](https://github.com/oven-sh/setup-bun) from 2.1.2 to 2.1.3.
- [Release notes](https://github.com/oven-sh/setup-bun/releases)
- [Commits](oven-sh/setup-bun@3d26778...ecf28dd)

---
updated-dependencies:
- dependency-name: oven-sh/setup-bun
  dependency-version: 2.1.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/openresponses-conformance.yml

@@ -106,7 +106,7 @@ jobs:
           exit 1
 
       - name: Setup Bun
-        uses: oven-sh/setup-bun@3d267786b128fe76c2f16a390aa2448b815359f3 #v2.0.0
+        uses: oven-sh/setup-bun@ecf28ddc73e819eb6fa29df6b34ef8921c743461 #v2.0.0
 
       - name: Clone OpenResponses repository
         run: |