update

Author: yetist

.github/docker/Dockerfile

@@ -1,3 +1,8 @@
 FROM ghcr.io/loongarchlinux/archlinux:latest
 ARG TARGETARCH
-RUN pacman --noconfirm -Syu
+RUN rm -rf /var/cache/pacman/pkg/*
+RUN rm -rf /var/lib/pacman/sync/*
+RUN --mount=type=cache,target=/var/cache/pacmant,sharing=locked \
+    --mount=type=cache,target=/var/lib/pacman/sync,sharing=locked \
+    pacman --noconfirm -Syu
+