Bump bci/bci-base from 15.4.27.8.3 to 15.4.27.8.4 in /package (#36)

Bumps bci/bci-base from 15.4.27.8.3 to 15.4.27.8.4.

---
updated-dependencies:
- dependency-name: bci/bci-base
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package/Dockerfile

@@ -3,7 +3,7 @@ RUN zypper -n install git
 RUN git -C / clone --branch release-v3.9.0 --depth=1 https://github.com/rancher/helm
 RUN make -C /helm
 
-FROM registry.suse.com/bci/bci-base:15.4.27.8.3 AS build
+FROM registry.suse.com/bci/bci-base:15.4.27.8.4 AS build
 ARG ARCH=amd64
 RUN zypper -n install curl gzip tar
 ENV KUBECTL_VERSION v1.21.8
@@ -18,7 +18,7 @@ RUN if [ "${ARCH}" = "amd64" ] || [ "${ARCH}" = "arm64" ] || [ "${ARCH}" = "s390
     curl -sLf ${KUSTOMIZE_URL} | tar -xzf - && chmod +x kustomize; \
     fi
 
-FROM registry.suse.com/bci/bci-base:15.4.27.8.3
+FROM registry.suse.com/bci/bci-base:15.4.27.8.4
 RUN zypper -n update && \
     zypper -n install bash-completion vim jq && \
     zypper clean -a && rm -rf /tmp/* /var/tmp/* /usr/share/doc/packages/* /usr/share/doc/manual/* /var/log/*