Refactor container build and installation pipeline to use configurable Makefile parameters (e.g. DISTROS, base images) and propagate them through all build, install, and test scripts

scripts/installation/debian/dependencies.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "[debian/dependencies] Installing Debian build dependencies..."
+
+apt-get update
+DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+  build-essential \
+  debhelper \
+  dpkg-dev \
+  git \
+  rsync \
+  bash \
+  curl \
+  ca-certificates \
+  xz-utils
+
+rm -rf /var/lib/apt/lists/*
+
+echo "[debian/dependencies] Done."