How to deploy quick actions using ANT tool

Global Actions

<types> 
<members>New_Case</members> 
<members>New_Opportunity</members>  
<name>QuickAction</name> 
</types> 

Quick actions are related to sObject use below sample

<!-- <members>ObjectName.quickactionname</members> -->
 
<types> 
<members>Account.New_Case</members> 
<members>Lead.New_Opportunity</members>  
<name>QuickAction</name> 
</types>