ubuntu:latest -> debian:buster (same error)

> ./TTREngine: symbol lookup error: /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0: undefined symbol: drmGetDevice2

Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM debian:buster
 
 RUN apt-get update && apt-get install --yes --no-install-recommends \
     ca-certificates \