test

Bump codecov/codecov-action from 2.0.3 to 5.0.7 #316

Job	Run time
Verify benchmarks compile	1m 2s
Run the big ignored tests	1m 15s
32bit tests	40s
Check it compiles on old Rust (1.31.0)	37s
Clippy lints	20s
Test with experimental-thread-local	37s
Check documentation links	12s
Miri checks	8m 24s
Check formatting	10s
Check it compiles on old Rust (1.45.0)	48s
Build & test (ubuntu-latest, stable)	38s
Thread Sanitizer checks MacOS	17s
Build & test (ubuntu-latest, beta)	39s
Build & test (ubuntu-latest, nightly)	37s
Build & test (macos-latest, stable)	43s
Build & test (macos-latest, beta)	42s
Build & test (macos-latest, nightly)	53s
Build & test (windows-latest, stable)	2m 21s
Build & test (windows-latest, beta)	2m 24s
Build & test (windows-latest, nightly)	1m 36s
	24m 55s

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