Bump actions/checkout from 4.1.5 to 4.1.6 (#44)

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
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # 2.3.5
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # 2.3.5
       - uses: actions/setup-dotnet@4d6c8fcf3c8f7a60068d26b594648e99df24cee3 # 1.8.0
         with:
           dotnet-version: 5.0.202

.github/workflows/publish.yml

@@ -9,7 +9,7 @@ jobs:
     name: Publish NuGet package
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # 2.3.5
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # 2.3.5
       - uses: rohith/publish-nuget@c12b8546b67672ee38ac87bea491ac94a587f7cc # 2.5.5
         with:
           PROJECT_FILE_PATH: src/Exercism.Tests/Exercism.Tests.csproj