Attempt to fix codecov uploader misbehavior #2281

Job	Run time
linux-coverage	11m 46s
build (clang-sanitize, ubuntu-latest)	46m 32s
build (gcc-release, ubuntu-24.04-arm)	6m 13s
build (gcc-11-release, ubuntu-latest)	8m 57s
build (gcc-debug-shared, ubuntu-latest)	9m 1s
build (gcc-debug-noexcept, ubuntu-latest)	8m 12s
build (macos-release, macos-latest)	6m 39s
build (win64-release, windows-latest)	13m 11s
build (win64-debug-shared, windows-latest)	11m 21s
build (win64-debug-noexcept, windows-latest)	10m 10s
	2h 12m 2s

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