update action for CI (opea-project#1050)

Signed-off-by: chensuyue <suyue.chen@intel.com>

Author: chensuyue

.github/workflows/pr-gmc-e2e.yaml

@@ -12,7 +12,7 @@ on:
       - "**/tests/test_gmc**"
       - "!**.md"
       - "!**.txt"
-      - "!**/kubernetes/**/manifests/**"
+      - "!**/kubernetes/**/manifest/**"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}

.github/workflows/pr-manifest-e2e.yml

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