CI: Use clang-19 for format

Author: karnkaul

.github/workflows/ci.yml

@@ -5,6 +5,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: init
+        run: sudo apt update -yqq && sudo apt install -yqq clang-19
       - name: format code
         run: scripts/format_code.sh
       - name: check diff