Update codecov/codecov-action action to v4 #424

Job	Run time
Build docs	0s
Build Package	0s
Scan Licenses	0s
CodeQL Analyze	1m 48s
Security Lint	1m 3s
Lint	1m 17s
SonarCloud	32s
Test Python 3.6 - ubuntu	3s
Check Types	1m 10s
Test Python 3.7 - ubuntu	25s
Test Python 3.8 - ubuntu	27s
Test Python 3.9 - ubuntu	27s
Test Python 3.6 - windows	2m 12s
Test Python 3.7 - windows	1m 22s
Test Python 3.8 - windows	1m 16s
Test Python 3.9 - windows	1m 3s
Test Python 3.6 - macos	1m 26s
Test Python 3.7 - macos	42s
Test Python 3.8 - macos	45s
Test Python 3.9 - macos	54s
Test Build Python ${{ matrix.py }} - ${{ matrix.os }}	0s
Publish Package	0s
Publish Docs	0s
	16m 52s

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