chore: enable tokenless Codecov uploads (#1620) #1279

Job	Run time
test (standard, 18.x, x64, windows-2019)	14m 33s
test (standard, 18.x, x64, windows-2022)	11m 43s
test (standard, 18.x, x86, windows-2019)	14m 6s
test (standard, 18.x, x86, windows-2022)	13m 22s
test (standard, 20.x, x64, windows-2019)	14m 13s
test (standard, 20.x, x64, windows-2022)	12m 17s
test (standard, 20.x, x86, windows-2019)	14m 10s
test (standard, 20.x, x86, windows-2022)	11m 16s
test (standard, 22.x, x64, windows-2019)	18m 28s
test (standard, 22.x, x64, windows-2022)	16m 26s
test (standard, 22.x, x86, windows-2019)	18m 50s
test (standard, 22.x, x86, windows-2022)	17m 48s
test (experimental, 18.x, x64, windows-2019)	14m 18s
test (experimental, 18.x, x64, windows-2022)	12m 17s
test (experimental, 18.x, x86, windows-2019)	14m 37s
test (experimental, 18.x, x86, windows-2022)	12m 29s
test (experimental, 20.x, x64, windows-2019)	15m 27s
test (experimental, 20.x, x64, windows-2022)	12m 39s
test (experimental, 20.x, x86, windows-2019)	13m 16s
test (experimental, 20.x, x86, windows-2022)	13m 34s
test (experimental, 22.x, x64, windows-2019)	18m 18s
test (experimental, 22.x, x64, windows-2022)	17m 26s
test (experimental, 22.x, x86, windows-2019)	17m 48s
test (experimental, 22.x, x86, windows-2022)	17m 39s
	5h 57m 0s

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