ci: Fix usage of codecov. #2309

Job	Run time
scanbuild	6m 46s
build-test (ubuntu-20.04, gcc)	4m 23s
build-test (ubuntu-20.04, clang)	4m 10s
test-mbedtls (ubuntu-20.04)	2m 53s
test-mbedtls (ubuntu-22.04-mbedtls-3.1)	2m 35s
test-no-crypto-build	1m 13s
build-test (fedora-32, gcc)	4m 35s
test-tcti-config	14m 15s
build-test (fedora-32, clang)	5m 6s
build-test (opensuse-leap, gcc)	4m 25s
build-test (opensuse-leap, clang)	4m 45s
coverity-test	0s
build-test (ubuntu-22.04, gcc)	4m 22s
build-test (ubuntu-22.04, clang)	4m 33s
test-coverage	4m 49s
build-test (alpine-3.15, gcc)	3m 48s
build-test (alpine-3.15, clang)	4m 38s
test-fuzz	2m 26s
	1h 19m 42s

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