build: upgrade node version to 16 (#32)

.devcontainer/Dockerfile

@@ -12,5 +12,5 @@ FROM mcr.microsoft.com/vscode/devcontainers/typescript-node:0-${VARIANT}
 # ARG EXTRA_NODE_VERSION=10
 # RUN su node -c "source /usr/local/share/nvm/nvm.sh && nvm install ${EXTRA_NODE_VERSION}"
 
-RUN su node -c "npm install -g npm@8"
+RUN su node -c "npm install -g npm@8.7"
 RUN su node -c "npm install -g tfx-cli"

.devcontainer/devcontainer.json

@@ -8,7 +8,7 @@
 		// Append -bullseye or -buster to pin to an OS version.
 		// Use -bullseye variants on local on arm64/Apple Silicon.
 		"args": {
-			"VARIANT": "12"
+			"VARIANT": "16"
 		}
 	},
 	// Set *default* container specific settings.json values on container create.
@@ -26,4 +26,4 @@
 	"features": {
 		"github-cli": "latest"
 	}
-}
+}

azure-pipelines.template.yml

@@ -16,11 +16,11 @@ parameters:
 steps:
 - task: NodeTool@0
   inputs:
-    versionSpec: '12.x'
-  displayName: 'Use Node.js@12.x'
+    versionSpec: '16.x'
+  displayName: 'Use Node.js@16.x'
 
-- script: npm install -g npm@8
-  displayName: 'Use [email protected]'
+- script: npm install -g npm@8.7
+  displayName: 'Use NPM@8.7.x'
 
 - task: Cache@2
   inputs: