chore: enable tokenless Codecov uploads #1276

Job	Run time
test (standard, 18.x, x64, windows-2019)	13m 38s
test (standard, 18.x, x64, windows-2022)	12m 11s
test (standard, 18.x, x86, windows-2019)	13m 16s
test (standard, 18.x, x86, windows-2022)	12m 18s
test (standard, 20.x, x64, windows-2019)	13m 53s
test (standard, 20.x, x64, windows-2022)	11m 29s
test (standard, 20.x, x86, windows-2019)	13m 36s
test (standard, 20.x, x86, windows-2022)	12m 24s
test (standard, 22.x, x64, windows-2019)	18m 37s
test (standard, 22.x, x64, windows-2022)	17m 0s
test (standard, 22.x, x86, windows-2019)	18m 43s
test (standard, 22.x, x86, windows-2022)	17m 16s
test (experimental, 18.x, x64, windows-2019)	15m 39s
test (experimental, 18.x, x64, windows-2022)	13m 12s
test (experimental, 18.x, x86, windows-2019)	13m 19s
test (experimental, 18.x, x86, windows-2022)	11m 20s
test (experimental, 20.x, x64, windows-2019)	14m 27s
test (experimental, 20.x, x64, windows-2022)	12m 58s
test (experimental, 20.x, x86, windows-2019)	14m 32s
test (experimental, 20.x, x86, windows-2022)	11m 35s
test (experimental, 22.x, x64, windows-2019)	17m 59s
test (experimental, 22.x, x64, windows-2022)	16m 29s
test (experimental, 22.x, x86, windows-2019)	16m 53s
test (experimental, 22.x, x86, windows-2022)	15m 50s
	5h 48m 34s

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