Docker group updates don't ignore unstable versions

[pumbaasdad]

Is there an existing issue for this?

• I have searched the existing issues

Package ecosystem

docker

Package manager version

No response

Language version

No response

Manifest location and content before the Dependabot update

FROM rclone/rclone:1.66.0 as rclone
FROM docker:26.0.0 as docker

FROM alpine:3.19.1 as alpine

FROM python:3.12.2 as python
RUN python -V > .python_version

FROM ghcr.io/pumbaasdad/poetry:1.8.2 as poetry
RUN poetry -V > .poetry_version

FROM ghcr.io/pumbaasdad/poetry:2024-03-16

...

dependabot.yml content

version: 2
updates:
  - package-ecosystem: "docker"
    directory: "/"
    schedule:
      interval: "weekly"
      day: "wednesday"
      time: "01:00"
      timezone: "America/Toronto"
    groups:
      docker:
        update-types:
          - "minor"
          - "patch"

Updated dependency

python:3.12.2 was updated to python:3.13.0a6

What you expected to see, versus what you actually saw

I expected that the stable version of python was not updated to an alpha release. Removing the group configuration from dependabot.yml resulted in python being updated to 3.12.3 as expected.

Native package manager behavior

No response

Images of the diff or a link to the PR, issue, or logs

pumbaasdad/volumerize#50

Smallest manifest that reproduces the issue

No response