Dependabot ignored Python dependency scope

[niccokunzmann]

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I opened an issue on collective/icalendar because dependabot openes pull requests which install backports.zoneinfo which should only be installed on Python versions 3.7 and 3.8.

See the issue:
collective/icalendar#509
And the PR:
niccokunzmann/open-web-calendar#142

The problem: icalendar creates the correct version information in the setup.py file. Dependabot however ignores the scope and creates a pull request that installs backports.zoneinfo on all python versions.

I think, this is feedback for @dependabot.