bump codecov/codecov-action from 3 to 4 #1714

Job	Run time
debug	18s
error	13s
install	13s
main	8s
multi	14s
main (latest)	16s
config	11s
config-inline	10s
main (v0.4.1)	17s
driver (image=moby/buildkit:latest)	17s
endpoint	41s
main (lab:latest)	6s
driver (image=moby/buildkit:master network=host )	14s
main (lab:v0.11.2-desktop.2)	5s
use (true)	4s
use (false)	11s
with-qemu (v0.9.1, all)	8s
with-qemu (v0.9.1, arm64,riscv64,arm)	19s
with-qemu (all)	16s
with-qemu (arm64,riscv64,arm)	7s
append	13s
build-ref (master)	3m 33s
build-ref (refs/tags/v0.5.1)	9s
build-ref (refs/pull/731/head)	19s
build-ref (cb185f095fd3d9444e0aa605d3789e9e05f2a1e7)	16s
cleanup (true)	5s
cleanup (false)	8s
docker-context	4s
docker-driver	5s
k3s (v0.11.0)	1m 3s
k3s (v0.10.5)	55s
platforms	7s
standalone-action	21s
standalone-cmd	25s
standalone-install-error	20s
	12m 31s

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