fix: change trigger branch name

Author: sevenbunu

.github/workflows/clang-format.yml

@@ -2,13 +2,13 @@ name: Clang Format
 
 on:
   push:
-    branches: [ main ]
+    branches: [ master ]
     paths:
       - '.github/**'
       - 'cubool/**'
       - '.clang-format'
   pull_request:
-    branches: [ main ]
+    branches: [ master ]
 
 jobs:
   formatting-check:
@@ -21,8 +21,9 @@ jobs:
           - 'cubool'
     steps:
       - uses: actions/checkout@v4
+
       - name: Run clang-format style check
         uses: jidicula/[email protected]
         with:
           clang-format-version: '20'
-          check-path: ${{ matrix.path }}
+          check-path: ${{ matrix.path }}