Bump codecov/codecov-action from 4 to 5 #3504

Job	Run time
check-docs	20s
alternative_targets (ubuntu-latest, wasm32-unknown-emscripten)	12s
alternative_targets (ubuntu-latest, aarch64-apple-ios)	9s
cross-targets (x86_64-unknown-illumos)	1m 0s
cross-tests (ubuntu-latest)	1m 41s
alternative_targets (ubuntu-latest, aarch64-linux-android)	15s
features_check (ubuntu-latest)	4m 2s
no_std (ubuntu-latest, thumbv6m-none-eabi)	10s
rust_msrv (ubuntu-latest)	1m 37s
no_std (ubuntu-latest, x86_64-fortanix-unknown-sgx)	31s
rust_versions (ubuntu-latest, stable)	1m 26s
test_wasi (ubuntu-latest, wasm32-wasi)	22s
rust_versions (ubuntu-latest, beta)	1m 22s
test_wasm (ubuntu-latest)	24s
rust_versions (ubuntu-latest, nightly)	1m 1s
timezones (ubuntu-latest, ACST-9:30)	1m 31s
timezones (ubuntu-latest, EST4)	1m 29s
timezones (ubuntu-latest, UTC0)	1m 18s
timezones (ubuntu-latest, Asia/Katmandu)	1m 26s
timezones (macos-latest, ACST-9:30)	34s
timezones (macos-latest, EST4)	36s
timezones (macos-latest, UTC0)	45s
timezones (macos-latest, Asia/Katmandu)	41s
timezones (windows-latest, ACST-9:30)	2m 51s
timezones (windows-latest, EST4)	3m 10s
timezones (windows-latest, UTC0)	2m 31s
timezones (windows-latest, Asia/Katmandu)	2m 44s
	34m 8s

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