Bump actions/checkout from 4.1.5 to 4.1.6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.5 to 4.1.6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.1.5...v4.1.6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/test.yml

@@ -18,15 +18,15 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
 
       - name: Install Pandoc
         uses: r-lib/actions/[email protected]
         with:
           pandoc-version: 3.1.6.1
 
       - name: Get Bats repository
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         with:
           repository: bats-core/bats-core
           ref: v1.11.0