build(deps): bump actions/checkout from 4.1.6 to 4.2.1

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.6 to 4.2.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@a5ac7e5...eef6144)

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

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

.github/workflows/codeql.yml

@@ -20,7 +20,7 @@ jobs:
       security-events: write
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: 🏗 Initialize CodeQL
         uses: github/codeql-action/init@2e230e8fe0ad3a14a340ad0815ddb96d599d2aff
       - run: |

.github/workflows/test-linux.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: ☑️ ShellCheck
         uses: ludeeus/action-shellcheck@00cae500b08a931fb5698e11e79bfbd38e612a38
         with:
@@ -28,7 +28,7 @@ jobs:
     needs: [shellcheck]
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: ⚙️ Prepare
         run: |
           sudo apt-get update

.github/workflows/test-macos.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: ☑️ ShellCheck
         uses: ludeeus/action-shellcheck@00cae500b08a931fb5698e11e79bfbd38e612a38
         with:
@@ -28,7 +28,7 @@ jobs:
     needs: [shellcheck]
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: ⚙️ Prepare
         run: |
           brew install zsh