chore(autotest): improve trigger condition

.github/workflows/run_automate_tests.yaml

@@ -3,10 +3,10 @@ name: Integration Test Suites
 on:
   push:
     tags:
-      - "v4.3.*"
+      - "v4.*"
   pull_request:
     branches:
-      - main-v4.3
+      - "main-v4.*"
 
 jobs:
   build:
@@ -82,6 +82,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         repository: emqx/emqx-fvt
+        ref: integration_test_suites
         path: scripts
     - uses: actions/setup-java@v1
       with: