actions: bump codecov/codecov-action from 3 to 5 #14337

Job	Run time
Check dockerfiles	7s
Build (core-build, core)	28s
Build (editoast, editoast-test)	25s
Check commits	8s
Build (gateway-test, gateway-standalone, gateway-front)	1m 14s
Check generated railjson sync	22s
Check final newline	10s
Build (front-build, front-tests, front-devel, front-nginx)	35s
Build (osrdyne, osrdyne-test)	14s
Check integration tests	1m 25s
Check railjson generator	1m 53s
Check scripts	5s
Check reuse compliance	12s
Check infra schema sync	22s
Check toml	4s
Check osrd schema	39s
Check front rtk sync	1m 34s
Check editoast lints	9m 18s
Check core	4m 0s
Check editoast tests	6m 15s
Check editoast openapi	1m 20s
Check front	2m 41s
Check gateway	3m 35s
Check osrdyne	3m 44s
End to end tests	11m 55s
Integration tests	1m 21s
	54m 6s

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