ci: fix build cache (#950)

diff --git a/images/base/Earthfile b/images/base/Earthfile
index 1810ea7..0c9f856 100644
--- a/images/base/Earthfile
+++ b/images/base/Earthfile
@@ -3,3 +3,5 @@
 image:
   FROM ubuntu:jammy-20240125
   LABEL org.opencontainers.image.source=https://github.com/vexxhost/atmosphere
+  # CVE-2023-5678, CVE-2023-6129, CVE-2023-6237, CVE-2024-0727
+  DO ../+APT_INSTALL --PACKAGES "libssl3=3.0.2-0ubuntu1.14"