upgrade node of devcontainer to v14

.devcontainer/Dockerfile

@@ -3,7 +3,7 @@
 # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
 #-------------------------------------------------------------------------------------------------------------
 
-FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-12
+FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:14
 
 # The node image includes a non-root user with sudo access. Use the
 # "remoteUser" property in devcontainer.json to use it. On Linux, update

CHANGES.md

@@ -4,12 +4,14 @@
 
 ### BREAKING CHANGES
 
+* GROWI v4.1.x no longer support Node.js v10.x
 * GROWI v4.1.x no longer support growi-plugin-attachment-refs@v1
 
 Upgrading Guide: <https://docs.growi.org/en/admin-guide/upgrading/41x.html>
 
 ### Updates
 
+* Support: Support Node.js v14