fix(devcontainer): upgrade node to version 20 (#3385)

* fix(devcontainer): upgrade node to version 20

* chore: since Windows and Linux use different default line endings, Git may report a large number of modified files that have no differences aside from their line endings.

Author: nigrosimone

.devcontainer/Dockerfile

@@ -3,7 +3,7 @@
 # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
 #-------------------------------------------------------------------------------------------------------------
 
-FROM node:12
+FROM node:20
 
 # Avoid warnings by switching to noninteractive
 ENV DEBIAN_FRONTEND=noninteractive

.devcontainer/devcontainer.json

@@ -1,6 +1,6 @@
 // If you want to run as a non-root user in the container, see .devcontainer/docker-compose.yml.
 {
-	"name": "Node.js 12 & Postgres",
+	"name": "Node.js 20 & Postgres",
 	"dockerComposeFile": "docker-compose.yml",
 	"service": "web",
 	"workspaceFolder": "/workspace",

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf