Add missing closing paren to CLEANED_BODY

[rak-phillip]

Summary

This adds the missing closing paren to the statement that produces the CLEANED_BODY for the Port PR workflow.

Occurred changes and/or fixed issues

• Add missing closing paren to CLEANED_BODY

Technical notes summary

#15595 introduced a change to strip closing keywords from the body during backports. This statement was missing the closing paren, causing a syntax error when the workflow would run.

Areas or cases that should be tested

PR Backports

Areas which could experience regressions

PR Backports

Screenshot/Video

NA

Checklist

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