increase memory for ukify

Author: Johan-Liebert1

crates/xtask/src/tmt.rs

@@ -754,7 +754,7 @@ pub(crate) fn run_tmt(sh: &Shell, args: &RunTmtArgs) -> Result<()> {
 
     println!("num_cpu: {num_cpu}");
 
-    let (vm_cpu, vm_mem) = (1, 1024);
+    let (vm_cpu, vm_mem) = (1, 2048);
 
     // Leave 1 cpu for the host
     // If there's only 1 cpu (unlikely), then we only run 1 VM