fix(pagerduty): fix errors when deleting connections

[d4x1]

⚠️ Pre Checklist

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• [x] I have read through the Contributing Documentation.
• [ ] I have added relevant tests.
• [ ] I have added relevant documentation.
• [x] I will add labels to the PR, such as pr-type/bug-fix, pr-type/feature-development, etc.

Summary

What does this PR do? PagerdutyScopeConfig was updated but migrationscripts have not been updated, so an error occurs when users try to delete pagerduty connections. This PR just aims to fix this issue.

Does this close any open issues?

Closes #7615

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Other Information

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[github-actions[bot]]

🤖 Target: #release-v1.0 cherry pick finished successfully 🎉!