Tests

Bump codecov/codecov-action from 4 to 5 #165

Job	Run time
Tests (1, Core) / Tests - Core	8m 54s
Tests (1, Downstream) / Tests - Downstream	18m 48s
Tests (1, Downstream2) / Tests - Downstream2	21m 15s
Tests (lts, Core) / Tests - Core	6m 34s
Tests (lts, Downstream2) / Tests - Downstream2	14m 15s
Tests (lts, Downstream) / Tests - Downstream	11m 36s
Tests (pre, Core) / Tests - Core	9m 10s
Tests (pre, Downstream) / Tests - Downstream	19m 26s
Tests (pre, Downstream2) / Tests - Downstream2	22m 13s
	2h 12m 11s

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