fix package key check during CI build

scripts/apk/container-entrypoint.sh

@@ -15,6 +15,15 @@ fi
 git config --global --add safe.directory /work
 mkdir -p /home/builder/.abuild /home/builder/packages "${package_dir}"
 
+install_repo_keys() {
+  local key
+  shopt -s nullglob
+  for key in "/home/builder/packages/${repo_name}"/*/*.rsa.pub; do
+    doas cp "${key}" /etc/apk/keys/
+  done
+  shopt -u nullglob
+}
+
 if [[ -n "${PACKAGER_PRIVKEY:-}" && ! -f "${PACKAGER_PRIVKEY}" ]]; then
   abuild-keygen -a -n
 elif ! compgen -G "/home/builder/.abuild/*.rsa" > /dev/null; then
@@ -34,6 +43,7 @@ if [[ -n "${PACKAGER_PRIVKEY:-}" && -f "${PACKAGER_PRIVKEY}.pub" ]]; then
 elif compgen -G "/home/builder/.abuild/*.rsa.pub" > /dev/null; then
   doas cp /home/builder/.abuild/*.rsa.pub /etc/apk/keys/
 fi
+install_repo_keys
 
 case "${command_name}" in
   build)