Test

Bump codecov/codecov-action from 4 to 7 #10

Job	Run time
test (lts, ubuntu-latest, x64, false) / Julia lts - ubuntu-latest - x64 - push	2m 26s
test (1, ubuntu-latest, x64, false) / Julia 1 - ubuntu-latest - x64 - push	5m 15s
test (pre, ubuntu-latest, x64, true) / Julia pre - ubuntu-latest - x64 - push	4m 12s
	11m 53s

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