monthly task update devcontainer.json

.devcontainer/devcontainer.json

@@ -3,7 +3,7 @@
 {
 	"name": "Rust",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/rust:0-1-bullseye",
+	"image": "mcr.microsoft.com/devcontainers/rust:1-1-bullseye",
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},