Update devcontainer.json

Author: devlights

.devcontainer/Dockerfile

@@ -1,5 +1,5 @@
 # [Choice] Go version: 1, 1.16, 1.17
-ARG VARIANT="1.17"
+ARG VARIANT="1.18"
 FROM mcr.microsoft.com/vscode/devcontainers/go:0-${VARIANT}
 
 # [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
@@ -17,4 +17,4 @@ RUN su vscode -c "source /etc/bash_completion"
 # RUN go get -x <your-dependency-or-tool>
 
 # [Optional] Uncomment this line to install global node packages.
-# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1