Can not upgrade docker base image correctly while using os and arch tag

### Is there an existing issue for this?

- [X] 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

_No response_

### dependabot.yml content

version: 2
updates:
- package-ecosystem: "docker"
directory: "/"
schedule:
interval: "daily"
target-branch: "develop"
commit-message:
prefix: "chore"
include: "scope"
ignore:
- dependency-name: "mcr.microsoft.com/dotnet/*"
update-types: ["version-update:semver-minor", "version-update:semver-major"]
versions: '>= 9'

### Updated dependency

mcr.microsoft.com/dotnet/

### What you expected to see, versus what you actually saw

The latest version shout be:
8.0.404-alpine3.20-amd64
But the result from dependabot is:
9.0.100-alpine3.20-amd64

### Native package manager behavior

_No response_

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

_No response_

### Smallest manifest that reproduces the issue

_No response_