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/centos/dependencies.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "[centos/dependencies] Installing CentOS build dependencies..."
+
+dnf -y update
+dnf -y install \
+  git \
+  rsync \
+  rpm-build \
+  make \
+  gcc \
+  bash \
+  curl-minimal \
+  ca-certificates \
+  xz
+
+dnf clean all
+
+echo "[centos/dependencies] Done."