ci: fix start containerd #2

Signed-off-by: Austin Vazquez <austin.vazquez@docker.com>

Author: austinvazquez

.github/actions/setup-containerd/action.yml

@@ -110,9 +110,9 @@ runs:
 
         echo "Starting containerd..."
 
-        # Start containerd in background with logging
-        sudo containerd > /var/log/containerd/containerd.log 2>&1 &
-        CONTAINERD_PID=$!
+        # Start containerd in background with logging and save its PID  
+        sudo sh -c 'nohup containerd > /var/log/containerd/containerd.log 2>&1 & echo $! > /var/run/containerd.pid'  
+        CONTAINERD_PID=$(sudo cat /var/run/containerd.pid)  
 
         echo "Containerd started with PID: $CONTAINERD_PID"