chore(deps): update debian:stable-slim docker digest to 859b9c7

Author: renovate-bot

docker/Dockerfile_debian

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 # Debian is the foundation of countless other distributions, including Ubuntu and Linux Mint.
 # This Dockerfile is ideal for users who want a stable, secure, and lightweight environment.
-FROM debian:stable-slim@sha256:e0249870a90044494c01e74fbfc8b77ab14e6f47cece844d1e1737f7828a7e1e
+FROM debian:stable-slim@sha256:859b9c7129bf0aa6e24e507eca77afbfabe9fea6fec76838d9ed1a3c80513959
 
 # Set the terminal type to Xterm.
 ENV TERM=xterm