stop maintenance for docker compose and remove renovate config

[hisImminence]

With the announcement of

The Docker Compose files in this repository are no longer maintained and will be removed with the release of Camunda 8.7 (April 2025). Follow the Docker Compose guide to download and run the Docker Compose artifacts directly instead.

The docker compose files in this repository are not maintained anymore (they are moved to camunda-self-managed).

@aabouzaid, lets remove the renovate config here to not create/ merge maintenance PRs?

[aabouzaid]

@hisImminence Let's do it 👍
But let's explicitly disable it so it's clearer for future checks.

Just replace the file content with:

{ "enabled": false }

[jessesimpson36]

I made the requested change.

[hisImminence]

Thanks team! Will merge!

[hisImminence]

Bypass branch protection as original change was requested by @aabouzaid and changed by @jessesimpson36.