Automatically update one-container image with new pihole images (#252)

* Hardcode Docker image version so Renovate can update it

* Add workflow to publish Docker image

* Updating base image version to 2024.05.0

* Add renovate.json (#1)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

* Let Renovate automerge Docker tag updates in one-container/pihole-unbound/Dockerfile

* Update pihole/pihole Docker tag to v2024.07.0

* Remove obsolete build script

* Specifiy platforms to build image workflow step

* Automatically generate a GitHub release when publishing a Docker image

* Overwrite OCI Image Specification source label to enable release note fetching for Renovate and Dependabot

* Build image for all platforms that the base image also supports

* Update docker/build-push-action action to v6.8.0 (#3)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Updating base container to 2024.03.2

Updating base image version to 2024.02.2 (#240)

Upgrading base container to 2023.05.2 (#213)

Upgrading base container to 2023.05.2

Updating base container to 2023.02.2

Upgrading base container to 2023.01.10

Upgrading base container to 2022.12 (#190)

Upgrading base container to 2022.11.2

Upgrading base container to 2022.11.1