Add external_name field to Monitor struct in Go models (#1757)
* Initial plan
* Add external_name field to Monitor struct in models.go
Co-authored-by: thibaultleouay <13894054+thibaultleouay@users.noreply.github.com>
* Add external_name field to Monitor struct in Go models
Co-authored-by: thibaultleouay <13894054+thibaultleouay@users.noreply.github.com>
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: thibaultleouay <13894054+thibaultleouay@users.noreply.github.com>
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