chore: fix pre-commit errors

Signed-off-by: Kotaro Yoshimoto <pythagora.yoshimoto@gmail.com>

.github/workflows/cppcheck-differential.yaml

@@ -42,8 +42,8 @@ jobs:
         continue-on-error: true
         id: cppcheck
         run: |
-            echo "Running Cppcheck on changed files: ${{ steps.get-changed-files.outputs.changed-files }}"
-            cppcheck --enable=all --inconclusive --check-level=exhaustive --error-exitcode=1 --suppressions-list=.cppcheck_suppressions ${{ steps.get-changed-files.outputs.changed-files }} 2> cppcheck-report.txt
+          echo "Running Cppcheck on changed files: ${{ steps.get-changed-files.outputs.changed-files }}"
+          cppcheck --enable=all --inconclusive --check-level=exhaustive --error-exitcode=1 --suppressions-list=.cppcheck_suppressions ${{ steps.get-changed-files.outputs.changed-files }} 2> cppcheck-report.txt
         shell: bash
 
       - name: Show cppcheck-report result