build(deps): bump codecov/codecov-action from 5.3.1 to 5.4.0 #1553

Job	Run time
build with default features	28s
build with MSRV (1.66.1)	3m 20s
build with no_std (ristretto255)	19s
build with no_std (ed25519)	18s
actionlint	6s
build with no_std (p256)	19s
Clippy	25s
build with no_std (secp256k1)	18s
build with no_std (secp256k1-tr)	19s
Check Rust doc	23s
Rustfmt	5s
build with no_std (rerandomized)	15s
Check if automatically generated code is up to date	16s
test on beta	2m 22s
	9m 13s

Provide feedback