fix: update docker version to only major

Author: anfibiacreativa

.devcontainer/devcontainer.json

@@ -11,7 +11,7 @@
     "ghcr.io/devcontainers/features/node:1": {
       "version": "18"
     },
-    "ghcr.io/devcontainers/features/docker-in-docker:2.9.0": {
+    "ghcr.io/devcontainers/features/docker-in-docker:2": {
       "version": 20,
       "moby": "false"
     },