Bump codecov/codecov-action from 5.4.2 to 5.4.3 (#6226) #13137

Job	Run time
setup-environment	1m 54s
tidy	2m 5s
generate-metrics	5m 44s
coverage	12m 5s
cross-compile (binaries-darwin_amd64)	5m 28s
gofmt	7m 0s
cross-compile (binaries-darwin_arm64)	5m 18s
lint	16m 48s
cross-compile (binaries-linux_amd64)	5m 13s
test	16m 50s
cross-compile (binaries-linux_arm64)	5m 46s
cross-compile (binaries-windows_amd64)	5m 21s
cross-compile (binaries-linux_ppc64le)	6m 10s
	1h 35m 42s

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