cibuild: ensure the previous commit building progress do not be cancelled by the subsequent one in the main branch.

Signed-off-by: fangyuanhong1 <[email protected]>

Author: yq33victor

.github/workflows/build_x86_64.yaml

@@ -35,7 +35,7 @@ env:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
+  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 
 jobs:
   build: