feat: add keyname to importedKeyName

Author: hiroTochigi

src/aws/up.sh

@@ -158,6 +158,7 @@ function up {
     echo "Success to add ssh key: $importedKeyName"
   else
     echo "The key pair $keyname already exists. Please use another key name."
+    importedKeyName=$keyname
   fi
 
   if ! checkSecurityGroup; then