Change workflow trigger for pull_request (#341)

.github/workflows/pull_request.yaml

@@ -1,7 +1,7 @@
 name: Pull Request
 
 on:
-  pull_request_target:
+  pull_request:
     branches:
       - master
 
@@ -49,14 +49,6 @@ jobs:
     - name: Login to cluster
       run: oc login --token=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token) --server=https://kubernetes.default.svc --insecure-skip-tls-verify=true
 
-    # This is required for adding ghcr helm registry
-    - name: Login to Container Registry
-      uses: docker/login-action@v3
-      with:
-        registry: ghcr.io/stakater
-        username: ${{ github.actor }}
-        password: ${{ secrets.GITHUB_TOKEN }}
-
     - name: Run Checkov action
       uses: bridgecrewio/checkov-action@master
       with:
@@ -70,24 +62,6 @@ jobs:
       run: |
         helm install ${CHART_NAME} ${CHART_NAME} -f ${CHART_NAME}/values-test.yaml -n stakater-chart-pipeline-test --dry-run --debug
 
-    - name: Comment on PR
-      uses: mshick/add-pr-comment@v2
-      env:
-        GITHUB_TOKEN: ${{ secrets.STAKATER_GITHUB_TOKEN }}
-      with:
-        message-success: '@${{ github.actor }} validation successful`'
-        message-failure: '@${{ github.actor }} Yikes! You better fix it before anyone else finds out! [Build](https://github.com/${{ github.repository }}/commit/${{ github.event.pull_request.head.sha }}/checks) has Failed!'
-        allow-repeats: false
-
-    - name: Notify Slack
-      uses: 8398a7/action-slack@v3
-      if: always() # Pick up events even if the job fails or is canceled.
-      with:
-        status: ${{ job.status }}
-        fields: repo,author,action,eventName,ref,workflow
-      env:
-        SLACK_WEBHOOK_URL: ${{ secrets.STAKATER_DELIVERY_SLACK_WEBHOOK }}
-
   unittest:
     name: Unit Tests
     runs-on: ubuntu-latest