fix: helm docker image build

helm/Dockerfile

@@ -3,9 +3,8 @@ FROM debian:bookworm
 RUN apt update && \
     apt install -y curl
 
-RUN curl https://baltocdn.com/helm/signing.asc | gpg --dearmor | tee /usr/share/keyrings/helm.gpg > /dev/null
-RUN apt install -y apt-transport-https
-RUN echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/helm.gpg] https://baltocdn.com/helm/stable/debian/ all main" | tee /etc/apt/sources.list.d/helm-stable-debian.list
+ADD https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 get_helm.sh
 
-RUN apt update && \
-    apt install -y helm
+RUN chmod 700 get_helm.sh
+
+RUN ./get_helm.sh