chore(deps): update codecov/codecov-action digest to 671740a #1207

Job	Run time
nix / nix-build	31s
docs / build-and-push-docs	8m 55s
prechecks / pre-commit	21s
unit-tests / run-tests (shivupa/cclib-ci:py39-edge)	2m 48s
unit-tests / run-tests (shivupa/cclib-ci:py38-edge)	3m 11s
unit-tests / run-tests (shivupa/cclib-ci:py311-edge)	5m 17s
unit-tests / run-tests (shivupa/cclib-ci:py310-edge)	3m 2s
unit-tests / run-tests (shivupa/cclib-ci:py312-edge)	3m 4s
unit-tests / check-installation	-1s
publish	-1s
all	0s
	27m 7s

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