build(deps): bump codecov/codecov-action from 5.1.2 to 5.2.0 #1498

Job	Run time
build with MSRV (1.66.1)	2m 41s
actionlint	8s
build with default features	28s
build with no_std (ristretto255)	28s
Clippy	27s
Check Rust doc	34s
build with no_std (ed25519)	28s
Rustfmt	18s
build with no_std (p256)	29s
Check if automatically generated code is up to date	23s
build with no_std (secp256k1)	27s
test on beta	2m 24s
build with no_std (secp256k1-tr)	29s
build with no_std (rerandomized)	26s
	10m 10s

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