Fix the Dockerfile

Author: rafaelfranca

.devcontainer/Dockerfile

@@ -8,7 +8,7 @@ FROM mcr.microsoft.com/vscode/devcontainers/ruby:0-${VARIANT}
 ARG NODE_VERSION="none"
 RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
 
-COPY library-scripts/github-debian.sh /tmp/library-scripts/
+COPY .devcontainer/library-scripts/github-debian.sh /tmp/library-scripts/
 RUN apt-get update && bash /tmp/library-scripts/github-debian.sh
 
 # [Optional] Uncomment this section to install additional OS packages.