Fix broken clang-format workflow

.github/workflows/clang-format-check.yaml

@@ -1,4 +1,7 @@
+# SPDX-FileCopyrightText: Menix-OS Team <info@menix-os.org>
+# SPDX-License-Identifier: LGPL-2.1-or-later
 name: clang-format Check
+
 on:
   pull_request:
     types: [opened, review_requested, synchronize]
@@ -15,6 +18,7 @@ jobs:
     name: Formatting Check
     runs-on: ubuntu-latest
     steps:
+    - uses: actions/checkout@v4
     # Filter only files changed by the PR.
     - name: Filter changed files
       id: filter
@@ -26,7 +30,6 @@ jobs:
           h_files:
             - '**.h'
     # Check code.
-    - uses: actions/checkout@v4
     - name: Run clang-format style check for C.
       if: steps.filter.outputs.c_files == 'true' || steps.filter.outputs.h_files == 'true'
       uses: jidicula/clang-format-action@v4.13.0