Added pre-upgrade check for defect CSCwt69100#385

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datacenter:v4.2.0-devdatacenter/ACI-Pre-Upgrade-Validation-Script:v4.2.0-devfrom

Priyanka-Patil14:CSCwt69100-fix-cleanPriyanka-Patil14/ACI-Pre-Upgrade-Validation-Script:CSCwt69100-fix-cleanCopy head branch name to clipboard