More secure webhook

[mrubens]

Important

Use environment variables for PR details in Discord webhook to enhance security in discord-pr-notify.yml.

• Security:
  • Use environment variables PR_TITLE, PR_URL, and PR_USER in discord-pr-notify.yml for Discord webhook payload instead of direct interpolation.
• Functionality:
  • No change in functionality; the Discord notification content remains the same.

^{This description was created by for dfee716. It will automatically update as commits are pushed.}

[changeset-bot]

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Latest commit: dfee716

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