Update actions/checkout action to v4.2.2 (#85)

Co-authored-by: descope[bot] <107609351+descope[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: macos-15
     steps:
     - name: Checkout Code
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
     - name: Build
       run: swift build -v
     - name: Run tests