feat: add support for more Python-adjacent file types

[gtkacz]

Description

Adding the python-misc icon to the following Python-adjacent file types:

1. *.egg
2. .coveragerc
3. .coverage
4. .scrapy
5. celerybeat-schedule
6. celerybeat.pid

All of these previously had no icon associated with them.

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[github-actions[bot]]

Merge Successful

Thanks for your contribution! 🎉

The changes will be part of the upcoming update on the Marketplace.