Update clang_format.yml

Author: ArjunSharda

.github/workflows/clang_format.yml

@@ -5,7 +5,7 @@ jobs:
     name: Formatting Check
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Run clang-format style check for C/C++ programs.
       uses: jidicula/clang-format-action@v4.4.1
       with: