Add openmp

Author: WangJialei-A

.github/workflows/clang-tidy.yml

@@ -13,6 +13,9 @@ jobs:
       GH_TOKEN: ${{ github.token }}    
 
     steps:
+    - name: Install OpenMP
+      run: "sudo apt install -y libomp-dev"
+      
     - name: Fetch sources
       uses: actions/checkout@v4
       with: