Move clang-format to c-checks

.github/workflows/ci.yml

@@ -56,12 +56,6 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           args: --target riscv32imc-unknown-none-elf --all-features
 
-      - name: clang-format check
-        uses: jidicula/[email protected]
-        with:
-          clang-format-version: 14
-          check-path: .
-
   rust-build-programs:
     name: Build Programs
     runs-on: ubuntu-22.04
@@ -107,6 +101,26 @@ jobs:
           name: vexriscv-test-binaries
           path: clash-vexriscv-sim/vexriscv-test-binaries.tar
 
+  c-checks:
+    name: C checks
+    runs-on: ubuntu-22.04
+    container:
+      image: ubuntu:22.04
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          apt-get update
+          apt-get install -y clang clang-format
+
+      - name: clang-format check
+        uses: jidicula/[email protected]
+        with:
+          clang-format-version: 14
+          check-path: 'clash-vexriscv'
 
   vex-riscv:
     name: VexRiscv integration