Bump actions/checkout from 4.1.5 to 4.1.6 (#738)

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@44c2b7a...a5ac7e5)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/auto-rebase.yml

@@ -8,7 +8,7 @@ jobs:
     if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/rebase')
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
+    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
     - name: Automatic Rebase
       uses: cirrus-actions/rebase@b87d48154a87a85666003575337e27b8cd65f691
       env:

.github/workflows/exercise-tests.yml

@@ -29,7 +29,7 @@ jobs:
             os: macos-14
 
     steps:
-      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
 
       - uses: julia-actions/setup-julia@f2258781c657ad9b4b88072c5eeaf9ec8c370874
         with:
@@ -48,7 +48,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
 
       - name: Pull julia-test-runner image
         run: docker pull exercism/julia-test-runner