Dockerfile Language Server crashes with tabbed heredoc

> The Dockerfile Language Server server crashed 5 times in the last 3 minutes. The server will not be restarted. See the output for more information.

This Dockerfile will crash the Dockerfile Language Server.

```Dockerfile
FROM alpine:3.22
RUN cat <<-EOT > 1.txt
	hello
	EOT
RUN cat <<EOT > 2.txt
hello2
EOT
```