Update mcr.microsoft.com/devcontainers/python Docker tag to v3

.devcontainer/devcontainer.json

@@ -2,7 +2,7 @@
 // README at: https://github.com/devcontainers/templates/tree/main/src/python
 {
 	"name": "Development",
-	"image": "mcr.microsoft.com/devcontainers/python:2-3.13-bookworm",
+	"image": "mcr.microsoft.com/devcontainers/python:3-3.13-bookworm",
 	"features": {
 		"ghcr.io/eitsupi/devcontainer-features/go-task:1": {},
 		"ghcr.io/jsburckhardt/devcontainer-features/uv:1": {}