ci: fix main coverage upload #100

Job	Run time
Linting	12s
Installation (3.7)	1m 10s
Pytest (3.7)	1m 24s
Installation (3.8)	2m 41s
Pytest (3.8)	2m 14s
Installation (3.9)	2m 41s
Installation (3.10)	1m 35s
Pytest (3.9)	1m 49s
Pytest (3.10)	2m 0s
Installation (3.11)	1m 40s
Pytest (3.11)	3m 4s
Coverage / Check Pull Request Coverage	0s
Coverage / Update Base Coverage	21s
	20m 51s

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