fix webhook url

.github/workflows/slack-pre.yml

@@ -95,7 +95,7 @@ jobs:
           fields: repo,message,commit,author,job,eventName,ref,workflow,took
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL_FOR_INTEGRATION_TEST }}
       - uses: 8398a7/action-slack@pre
         with:
           status: ${{ job.status }}