Update actions/checkout action to v4.3.0 (#270)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v4.3.0
       - name: Setup Node
         uses: actions/[email protected]
         with: