build

Bump codecov/codecov-action from 4 to 5 #1112

Job	Run time
Windows (stable, default features)	1m 3s
Minimum supported Rust version (no default features)	33s
Ubuntu (stable, no default features)	27s
Ubuntu (stable, all features)	30s
Minimum supported Rust version (all features)	45s
Ubuntu (stable, default features)	35s
Compute binary sizes	50s
Minimum supported Rust version (default features)	38s
Ubuntu (nightly, no default features)	31s
Ubuntu (nightly, all features)	35s
Build documentation	26s
Ubuntu (nightly, default features)	29s
Fuzz test (fill_first_fit)	1m 35s
Fuzz test (fill_optimal_fit)	1m 30s
Fuzz test (fill_fast_path)	1m 25s
Build Wasm demo	17s
Fuzz test (wrap_first_fit)	1m 25s
Fuzz test (wrap_optimal_fit)	1m 20s
Build benchmarks	40s
Fuzz test (wrap_optimal_fit_usize)	1m 42s
Fuzz test (wrap_fast_path)	1m 20s
Fuzz test (unfill)	1m 21s
Fuzz test (refill)	1m 21s
Deploy Wasm demo	0s
	21m 18s

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