fix: updated kube-devcontainer

Author: revant

kube-devcontainer/Dockerfile

@@ -3,7 +3,8 @@ FROM frappe/bench:latest
 COPY entrypoint.sh /entrypoint.sh
 
 # Install Tools
-RUN sudo curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" && \
+RUN sudo apt-get update && sudo apt-get install -y jq wait-for-it zsh && \
+    sudo curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" && \
     sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl && \
     curl -fsSL https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | sudo bash && \
     curl -fsSL https://fluxcd.io/install.sh | sudo bash && \