Add helm CLI to image

ref: https://issues.redhat.com/browse/ACM-9060
Signed-off-by: Dale Haiducek <19750917+dhaiducek@users.noreply.github.com>

build/Dockerfile

@@ -1,10 +1,13 @@
 FROM registry.ci.openshift.org/stolostron/builder:go1.20-linux AS plugin-builder
 ENV POLICY_GENERATOR_TAG=v1.13.0
 
-WORKDIR go/src/github.com/open-cluster-management/multicloud-operators-subscription
+WORKDIR /go/src/github.com/open-cluster-management/multicloud-operators-subscription
 COPY . .
 RUN make -f Makefile build
 
+WORKDIR /go/pkg/mod/helm.sh/helm/v3@v3.11.1
+RUN CGO_ENABLED=1 make build
+
 WORKDIR /policy-generator
 RUN git clone --branch=${POLICY_GENERATOR_TAG} --depth=1 \
         https://github.com/open-cluster-management-io/policy-generator-plugin
@@ -29,14 +32,15 @@ ENV OPERATOR=/usr/local/bin/multicluster-operators-subscription \
     POLICY_GEN_ENABLE_HELM=true
 
 # install operator binary
-COPY --from=plugin-builder go/src/github.com/open-cluster-management/multicloud-operators-subscription/build/_output/bin/multicluster-operators-subscription ${OPERATOR}
-COPY --from=plugin-builder go/src/github.com/open-cluster-management/multicloud-operators-subscription/build/_output/bin/multicluster-operators-placementrule /usr/local/bin
-COPY --from=plugin-builder go/src/github.com/open-cluster-management/multicloud-operators-subscription/build/_output/bin/uninstall-crd /usr/local/bin
-COPY --from=plugin-builder go/src/github.com/open-cluster-management/multicloud-operators-subscription/build/_output/bin/appsubsummary /usr/local/bin
+COPY --from=plugin-builder /go/src/github.com/open-cluster-management/multicloud-operators-subscription/build/_output/bin/multicluster-operators-subscription ${OPERATOR}
+COPY --from=plugin-builder /go/src/github.com/open-cluster-management/multicloud-operators-subscription/build/_output/bin/multicluster-operators-placementrule /usr/local/bin/
+COPY --from=plugin-builder /go/src/github.com/open-cluster-management/multicloud-operators-subscription/build/_output/bin/uninstall-crd /usr/local/bin/
+COPY --from=plugin-builder /go/pkg/mod/helm.sh/helm/v3@v3.11.1/helm /usr/local/bin/
 
 # install the policy generator Kustomize plugin
 RUN mkdir -p $KUSTOMIZE_PLUGIN_HOME/policy.open-cluster-management.io/v1/policygenerator
 COPY --from=plugin-builder /policy-generator/PolicyGenerator $KUSTOMIZE_PLUGIN_HOME/policy.open-cluster-management.io/v1/policygenerator/PolicyGenerator
+RUN curl -sL https://mirror.openshift.com/pub/openshift-v4/clients/helm/latest/helm-linux-amd64 -o /usr/local/bin/helm
 
 COPY build/bin /usr/local/bin
 RUN  /usr/local/bin/user_setup