chore(localmode): sync compose template with volcano-hosting

[tkkhq]

Tracking

• Tracks: https://konghq.atlassian.net/browse/VOL-788
• Depends on: https://github.com/Kong/volcano-hosting/pull/807

Summary

Regenerates the embedded local-mode Compose asset from volcano-hosting, so volcano start produces a server that can launch a v2 agent worker.

• adds the /var/run/docker.sock mount on the server service, which the local-mode server needs to start the agent worker as a sibling container
• generated by make volcano-cli-localmode-assets-generate in volcano-hosting; the file is not hand-edited

volcano-hosting owns infrastructure/local-mode/docker-compose.template.yml. This repository embeds a generated copy so the CLI can start the stack without a hosting checkout. Hosting PR #807 changed the template, which left this copy stale: a developer running volcano start got a server that silently could not launch a worker.

The mount is local-mode only. It grants the server container the ability to start containers, which is the local equivalent of the ECS RunTask permission the Fargate launcher holds in cloud.

Merge order

Land volcano-hosting PR #807 first, so the source template is final.

Verification

• make volcano-cli-localmode-assets-check in volcano-hosting, pointed at this branch -> volcano-cli local-mode assets check passed
• go build ./... -> pass
• go vet ./... -> pass
• go test ./... -count=1 -> all pass
• git diff --check -> clean
• the diff is limited to the server service volumes block; no other service, port, or volume changed

[Copilot]

Pull request overview

Syncs the generated local-mode Compose asset with volcano-hosting to enable v2 agent worker containers.

Changes:

• Mounts the host Docker socket into the server.
• Retains the existing local-storage volume.

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