Update pr-merge.yaml

.github/workflows/pr-merge.yaml

@@ -28,9 +28,6 @@
           with:
             ref: ${{  github.event.pull_request.head.sha }} # This is dangerous without the first access check
         - name: Send Discord notification
-          shell: bash
-          env:
-            DISCORD_WEBHOOK_BETA_TESTERS: ${{ secrets.DISCORD_WEBHOOK_BETA_TESTERS }}
           # if: github.event.pull_request.merged == true
           run: |
-            curl -H "Content-Type: application/json" -d '{"content": "Pull Request ${{ github.event.pull_request.number }} merged by ${{ github.actor }}"}' $DISCORD_WEBHOOK_BETA_TESTERS
+            curl -H "Content-Type: application/json" -d '{"content": "Pull Request ${{ github.event.pull_request.number }} merged by ${{ github.actor }}"}' ${{ secrets.DISCORD_WEBHOOK_BETA_TESTERS }}