[ci] Cancel previous running jobs on Push/PR

.github/workflows/demo_test.yml

@@ -6,6 +6,10 @@ on: [push, pull_request]
 env:
   nap_time: 60
 
+# Cancel previous running jobs on push or pull request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.event.pull_request.number }}
+  cancel-in-progress: true
 
 jobs:
   C_cpp_rust_golang_embedded_mode_support_test:

.github/workflows/hw_mode_test.yml

@@ -13,6 +13,11 @@ env:
   nap_time: 60
   repeat_times: 500  # Stress test repeat times
 
+# Cancel previous running jobs on push or pull request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.event.pull_request.number }}
+  cancel-in-progress: true
+
 jobs:
   Make-test-on-ubuntu:
     timeout-minutes: 180

.github/workflows/main.yml

@@ -7,6 +7,11 @@ on:
     # Schedule to run everyday at 6PM UTC (2AM CST)
     - cron:  '0 18 * * *'
 
+# Cancel previous running jobs on push or pull request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.event.pull_request.number }}
+  cancel-in-progress: true
+
 jobs:
   Make_test_on_ubuntu:
     runs-on: ubuntu-20.04