fix: quota unavailability for handling in quotacheck pipeline (#1938)

Author: NirajC-Microsoft

scripts/checkquota.sh

@@ -56,6 +56,7 @@ for REGION in "${REGIONS[@]}"; do
 
         if [ -z "$MODEL_INFO" ]; then
             echo "⚠️ WARNING: No quota information found for model: $MODEL in $REGION. Skipping."
+            INSUFFICIENT_QUOTA=true
             continue
         fi