fix: add codecov token to github action #1188

Job	Run time
change-detection / Identify source changes	4s
rr-tests	0s
cookie / Check included Noxfile	7m 40s
cookie / Distribution build	7m 0s
cookie / Check Python 3.8 on ubuntu-latest	3m 39s
cookie / Check Python 3.8 on macos-latest	5m 53s
cookie / Format	4m 28s
cookie / Check Python 3.8 on windows-latest	7m 29s
cookie / Check Python 3.12 on ubuntu-latest	4m 20s
cookie / Check Python 3.12 on macos-latest	5m 56s
cookie / Check Python 3.12 on windows-latest	9m 45s
cookie / Check Python pypy-3.9 on ubuntu-latest	7m 55s
cookie / pass	4s
pass	2s
	1h 4m 15s

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