workflows: bump codecov/codecov-action from 3.1.5 to 4.2.0 #175

Job	Run time
PR - Markdownlint	6s
PR - GO lint	35s
PR - Actionlint	6s
PR - Hadolint	5s
PR - Reusable workflow linting	3s
PR - Shellcheck	6s
	1m 1s

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