Bump codecov/codecov-action from 4 to 5 #3503

Job	Run time
alternative_targets (ubuntu-latest, wasm32-unknown-emscripten)	9s
features_check (ubuntu-latest)	3m 53s
no_std (ubuntu-latest, thumbv6m-none-eabi)	20s
alternative_targets (ubuntu-latest, aarch64-apple-ios)	12s
rust_msrv (ubuntu-latest)	1m 28s
no_std (ubuntu-latest, x86_64-fortanix-unknown-sgx)	20s
alternative_targets (ubuntu-latest, aarch64-linux-android)	9s
rust_versions (ubuntu-latest, stable)	58s
rust_versions (ubuntu-latest, beta)	1m 18s
timezones (ubuntu-latest, ACST-9:30)	1m 32s
rust_versions (ubuntu-latest, nightly)	1m 3s
timezones (ubuntu-latest, EST4)	1m 15s
timezones (ubuntu-latest, UTC0)	1m 35s
check-docs	19s
timezones (ubuntu-latest, Asia/Katmandu)	1m 40s
cross-targets (x86_64-unknown-illumos)	1m 1s
timezones (macos-latest, ACST-9:30)	43s
cross-tests (ubuntu-latest)	1m 43s
timezones (macos-latest, EST4)	38s
test_wasi (ubuntu-latest, wasm32-wasi)	28s
timezones (macos-latest, UTC0)	40s
test_wasm (ubuntu-latest)	24s
timezones (macos-latest, Asia/Katmandu)	34s
timezones (windows-latest, ACST-9:30)	1m 59s
timezones (windows-latest, EST4)	1m 25s
timezones (windows-latest, UTC0)	2m 11s
timezones (windows-latest, Asia/Katmandu)	2m 14s
	30m 11s

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