Automated documentation update (#1123)

Automated documentation update [skip ci]

Co-authored-by: github-actions <[email protected]>

Author: devcontainers-bot

src/docker-in-docker/README.md

@@ -23,6 +23,7 @@ Create child containers *inside* a container, independent from the host's docker
 | dockerDefaultAddressPool | Define default address pools for Docker networks. e.g. base=192.168.0.0/16,size=24 | string | - |
 | installDockerBuildx | Install Docker Buildx | boolean | true |
 | installDockerComposeSwitch | Install Compose Switch (provided docker compose is available) which is a replacement to the Compose V1 docker-compose (python) executable. It translates the command line into Compose V2 docker compose then runs the latter. | boolean | true |
+| disableIp6tables | Disable ip6tables (this option is only applicable for Docker versions 27 and greater) | boolean | false |
 
 ## Customizations