chore: fix docker version

Author: sinedied

.devcontainer/devcontainer.json

@@ -8,7 +8,7 @@
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	"features": {
 		"ghcr.io/devcontainers/features/docker-in-docker:1": {
-			"version": "latest",
+			"version": "20",
 			"moby": "false",
 			"dockerDashComposeVersion": "v2"
 		},