refactor: rename image name from rust-dev-pod to devpod

devpod

@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e
-IMAGE_NAME="rust-dev-pod"
+IMAGE_NAME="devpod"
 
 if ! podman image exists $IMAGE_NAME; then
     echo "Image $IMAGE_NAME not found. Building..."