switch to pull_request type and cleanup metadata check

.github/workflows/compliance.yml

@@ -65,14 +65,6 @@ jobs:
         west config manifest.group-filter -- +ci,-optional
         west update -o=--depth=1 -n 2>&1 1> west.update.log || west update -o=--depth=1 -n 2>&1 1> west.update2.log
 
-    - name: Check for PR description
-      if: ${{ github.event.pull_request.body == '' }}
-      continue-on-error: true
-      id: pr_description
-      run: |
-        echo "Pull request description cannot be empty."
-        exit 1
-
     - name: Run Compliance Tests
       continue-on-error: true
       id: compliance

.github/workflows/do_not_merge.yml → .github/workflows/pr_metadata_check.yml

@@ -1,8 +1,14 @@
-name: Do Not Merge
+name: PR Metadata Check
 
 on:
   pull_request:
-    types: [synchronize, opened, reopened, labeled, unlabeled]
+    types:
+      - synchronize
+      - opened
+      - reopened
+      - labeled
+      - unlabeled
+      - edited
 
 permissions:
   contents: read
@@ -22,3 +28,13 @@ jobs:
           echo "Pull request is labeled as 'DNM', 'TSC', 'Architecture Review' or 'dev-review'."
           echo "This workflow fails so that the pull request cannot be merged."
           exit 1
+
+  empty_pr_description:
+    if: ${{ github.event.pull_request.body == '' }}
+    name: PR Description
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Check for PR description
+        run: |
+          echo "Pull request description cannot be empty."
+          exit 1

.github/workflows/twister-prep.yaml

@@ -18,7 +18,7 @@ permissions:
 
 jobs:
   prep_pr:
-    if: github.repository_owner == 'zephyrproject-rtos' && github.event_name == 'pull_request_target'
+    if: github.repository_owner == 'zephyrproject-rtos' && github.event_name == 'pull_request'
     runs-on:
       group: zephyr-runner-v2-linux-x64-4xlarge
     container:

.github/workflows/twister-publish.yaml

@@ -15,7 +15,7 @@ jobs:
   upload-to-elasticsearch:
     if: |
       github.repository == 'zephyrproject-rtos/zephyr' &&
-      github.event.workflow_run.event != 'pull_request_target'
+      github.event.workflow_run.event != 'pull_request'
     env:
       ELASTICSEARCH_KEY: ${{ secrets.ELASTICSEARCH_KEY }}
       ELASTICSEARCH_SERVER: "https://elasticsearch.zephyrproject.io:443"

.github/workflows/twister.yaml

@@ -6,7 +6,7 @@ on:
       - main
       - v*-branch
       - collab-*
-  pull_request_target:
+  pull_request:
     branches:
       - main
       - v*-branch
@@ -84,7 +84,7 @@ jobs:
 
       - name: Environment Setup
         run: |
-          if [ "${{github.event_name}}" = "pull_request_target" ]; then
+          if [ "${{github.event_name}}" = "pull_request" ]; then
             git config --global user.email "bot@zephyrproject.org"
             git config --global user.name "Zephyr Builder"
             rm -fr ".git/rebase-apply"
@@ -146,7 +146,7 @@ jobs:
             fi
           fi
 
-      - if: github.event_name == 'pull_request_target'
+      - if: github.event_name == 'pull_request'
         name: Run Tests with Twister (Pull Request)
         id: run_twister_pr
         run: |