Pkg-exporter

New Features:

This release adds support for the `pkg_reboot_required` metric, which indicates if the node needs an reboot.

Deployment:

Development Versions (main Branch) are now correctly released as prerelease to pypi.

This minor release adds support for usage as python package.

It is suggested to use the exporter as python package now.

- Refactored the code for more modularity
- Added pkg_broken and pkg_auto_removable statistics