agent: provide absolute path for shell used to host the debug console

The agent loads a shell to host the debug-console vsock service.
symlinks in ubuntu 22.04 rootfs not resolving.

Fixes: #10959

Signed-Off-By: Ryan Savino <ryan.savino@amd.com>

src/agent/src/console.rs

@@ -34,6 +34,7 @@ lazy_static! {
         let mut v = Vec::new();
 
         if !cfg!(test) {
+            v.push("/usr/bin/bash".to_string());
             v.push("/bin/bash".to_string());
             v.push("/bin/sh".to_string());
         }