set action back to pull_request_target (opea-project#602)

Signed-off-by: chensuyue <suyue.chen@intel.com>
Signed-off-by: dmsuehir <dina.s.jones@intel.com>

Author: chensuyue

.github/workflows/pr-docker-compose-e2e.yml

@@ -4,7 +4,7 @@
 name: E2E test with docker compose
 
 on:
-  pull_request:
+  pull_request_target:
     branches: [main]
     types: [opened, reopened, ready_for_review, synchronize] # added `ready_for_review` since draft is skipped
     paths: