use custom flow

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

@@ -13,11 +13,5 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: 'true'
-      - name: Install clang-format 19
-        run: |
-          wget https://apt.llvm.org/llvm.sh
-          chmod +x llvm.sh
-          sudo ./llvm.sh 19
-          sudo apt install clang-format-19
-      - name: clang-format code formatting check
-        run: clang-format-19 --dry-run -Werror --style=file:rocketlib/.clang-format *.c *.h
+      - name: Run formatting check
+          uses: waterloo-rocketry/clang-format-check-action@action