feat: add alpine-3.24 build config

Mirror the alpine-3.23 setup across the builder Dockerfile/package,
docker-compose service, Makefile/Justfile targets, and the CI matrix.

builder/Dockerfile.alpine-324

@@ -0,0 +1,26 @@
+FROM reg.devxy.io/docker.io/library/alpine:3.24
+
+ENV OS_IDENTIFIER alpine-324
+
+RUN set -x \
+  && apk add -q R-dev curl ca-certificates bash g++ tzdata openjdk17 texmf-dist texlive-full tar sed patch tcl tk tk-dev xvfb libdeflate libdeflate-dev
+
+# Install s5cmd for S3 uploads (much faster than AWS CLI)
+RUN ARCH=$(uname -m); if [ "$ARCH" = "x86_64" ]; then S5CMD_ARCH="64bit"; else S5CMD_ARCH="arm64"; fi && \
+    curl -sL "https://github.com/peak/s5cmd/releases/download/v2.3.0/s5cmd_2.3.0_Linux-${S5CMD_ARCH}.tar.gz" | tar xz -C /usr/local/bin s5cmd
+
+RUN curl -LO "https://github.com/goreleaser/nfpm/releases/download/v2.39.0/nfpm_2.39.0_$(arch).apk" && \
+    apk add --allow-untrusted "./nfpm_2.39.0_$(arch).apk" && \
+    rm "nfpm_2.39.0_$(arch).apk"
+
+RUN chmod 0777 /opt
+
+# Override the default pager used by R
+ENV PAGER /usr/bin/pager
+
+ENV CONFIGURE_OPTIONS "--enable-R-shlib --with-tcltk --enable-memory-profiling --with-x=no --with-blas --with-lapack"
+
+COPY package.alpine-324 /package.sh
+COPY build.sh .
+COPY patches /patches
+ENTRYPOINT ./build.sh