chore(dogfood): add docker compose (#8354)

.github/workflows/dogfood.yaml

@@ -46,6 +46,7 @@ jobs:
         uses: docker/build-push-action@v4
         with:
           context: "{{defaultContext}}:dogfood"
+          pull: true
           push: true
           tags: "codercom/oss-dogfood:${{ steps.docker-tag-name.outputs.tag }},codercom/oss-dogfood:latest"
           cache-from: type=registry,ref=codercom/oss-dogfood:latest

dogfood/Dockerfile

@@ -156,6 +156,7 @@ RUN apt-get update --quiet && apt-get install --yes \
 	containerd.io \
 	docker-ce \
 	docker-ce-cli \
+	docker-compose-plugin \
 	packer \
 	terraform \
 	fish \