chore(deps): update docker.io/metio/matrix-alertmanager-receiver docker tag to v2025.12.24 #482

This PR contains the following updates: | Package | Update | Change | |---|---|---| | [docker.io/metio/matrix-alertmanager-receiver](https://github.com/metio/matrix-alertmanager-receiver) | minor | `2025.11.26` -> `2025.12.24` | --- > ⚠️ **Warning** > > Some dependencies could not be looked up. Check the warning logs for more information. --- ### Release Notes <details> <summary>metio/matrix-alertmanager-receiver (docker.io/metio/matrix-alertmanager-receiver)</summary> ### [`v2025.12.24`](https://github.com/metio/matrix-alertmanager-receiver/releases/tag/2025.12.24) [Compare Source](https://github.com/metio/matrix-alertmanager-receiver/compare/2025.11.26...2025.12.24) #### Usage Pull latest container from `docker.io/metio/matrix-alertmanager-receiver:2025.12.24`. Check the [migration guide](https://github.com/metio/matrix-alertmanager-receiver/blob/main/MIGRATIONS.md) for any required actions on your part. #### What's Changed - chore(deps): bump actions/upload-artifact from 5 to 6 by [@&#8203;dependabot](https://github.com/dependabot)\[bot] in [#&#8203;113](https://github.com/metio/matrix-alertmanager-receiver/pull/113) - chore(deps): bump maunium.net/go/mautrix from 0.26.0 to 0.26.1 by [@&#8203;dependabot](https://github.com/dependabot)\[bot] in [#&#8203;115](https://github.com/metio/matrix-alertmanager-receiver/pull/115) - chore(deps): bump github.com/prometheus/alertmanager from 0.29.0 to 0.30.0 by [@&#8203;dependabot](https://github.com/dependabot)\[bot] in [#&#8203;116](https://github.com/metio/matrix-alertmanager-receiver/pull/116) **Full Changelog**: <https://github.com/metio/matrix-alertmanager-receiver/compare/2025.11.26...2025.12.24> </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi4yMS4yIiwidXBkYXRlZEluVmVyIjoiNDIuMjEuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->