Bump codecov/codecov-action from 4 to 5 in /.github/workflows #2

Job	Run time
Benchmarks (ubuntu-latest, 3.11, yolo11n)	1m 52s
Benchmarks (windows-latest, 3.11, yolo11n)	6m 20s
HUB	0s
GPU	0s
Benchmarks (macos-14, 3.11, yolo11n)	1m 35s
RaspberryPi	0s
Tests (ubuntu-latest, 3.11, latest)	1m 48s
Tests (macos-14, 3.11, latest)	1m 25s
Conda	0s
Tests (windows-latest, 3.11, latest)	5m 45s
Tests (ubuntu-latest, 3.8, 1.8.0)	1m 35s
Summary	3s
	20m 23s

Provide feedback