build(deps): bump infracost/actions/setup from 4.1.0 to 4.2.0

Bumps [infracost/actions/setup](https://github.com/infracost/actions) from 4.1.0 to 4.2.0.
- [Release notes](https://github.com/infracost/actions/releases)
- [Commits](infracost/actions@d51fc54...fb736a8)

---
updated-dependencies:
- dependency-name: infracost/actions/setup
  dependency-version: 4.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/infracost.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 🛠️ Setup Infracost
-        uses: infracost/actions/setup@d51fc54d23c9ad90f984b884257bd96dc2625067
+        uses: infracost/actions/setup@fb736a8f219195d6efdca58682069b16fe1bc280
         with:
           api-key: ${{ secrets.INFRACOST_API_KEY }}