Suppress junk output in k8s participant dockerfile

Add 'no-verbose' option to wget to suppress progress meter while
retaining status and error messages.

Issue-ID: POLICY-4286
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: I901a4d7aa18b0423097da7d9bf6e759fbc738b8f
diff --git a/packages/policy-clamp-docker/src/main/docker/KubernetesParticipant.Dockerfile b/packages/policy-clamp-docker/src/main/docker/KubernetesParticipant.Dockerfile
index 4a18332..de7c43b 100644
--- a/packages/policy-clamp-docker/src/main/docker/KubernetesParticipant.Dockerfile
+++ b/packages/policy-clamp-docker/src/main/docker/KubernetesParticipant.Dockerfile
@@ -52,12 +52,12 @@
 RUN chmod 755 bin/*.sh && \
     apk update && \
     apk add wget && \
-    wget https://get.helm.sh/helm-v3.5.2-linux-amd64.tar.gz && \
+    wget -nv https://get.helm.sh/helm-v3.5.2-linux-amd64.tar.gz && \
     tar xvf helm-v3.5.2-linux-amd64.tar.gz && \
     mv linux-amd64/helm /usr/local/bin && \
     rm -rf linux-amd64 && \
     rm helm-v3.5.2-linux-amd64.tar.gz && \
-    wget https://storage.googleapis.com/kubernetes-release/release/v1.21.1/bin/linux/amd64/kubectl && \
+    wget -nv https://storage.googleapis.com/kubernetes-release/release/v1.21.1/bin/linux/amd64/kubectl && \
     chmod +x kubectl && \
     mv kubectl /usr/local/bin/kubectl