Update devcontainer configuration

Author: rafaelfranca

.devcontainer/devcontainer.json

@@ -1,9 +1,9 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the
 // README at: https://github.com/devcontainers/templates/tree/main/src/ruby
 {
-	"name": "Ruby",
+	"name": "better-html",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/ruby:1-3.2-bullseye",
+	"image": "ghcr.io/rails/devcontainer/images/ruby:3.4.6",
 	"features": {
 		"ghcr.io/devcontainers/features/github-cli:1": {}
 	},
@@ -15,7 +15,7 @@
 	// "forwardPorts": [],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	"postCreateCommand": "bundle install",
+	// "postCreateCommand": "bundle install",
 
 	// Configure tool-specific properties.
 	// "customizations": {},

.ruby-version

@@ -1 +1 @@
-3.3.0
+3.4.6