Investigate workflow job failing on main: confirmPassingBuild

[github-actions]

🚨 Failure Summary 🚨:

• 📋 Job Name: confirmPassingBuild
• 🔧 Failure in Workflow: Process new code merged to main
• 🔗 Triggered by PR: PR Link
• 👤 PR Author: @mkzie2
• 🤝 Merged by: @VickyStash
• 🐛 Error Message:
  failure: Specify secrets.SLACK_WEBHOOK_URL

⚠️ Action Required ⚠️:

🛠️ A recent merge appears to have caused a failure in the job named confirmPassingBuild.
This issue has been automatically created and labeled with Workflow Failure for investigation.

👀 Please look into the following:

1. Why the PR caused the job to fail?
2. Address any underlying issues.

🐛 We appreciate your help in squashing this bug!