libcrypto.num: add EVP_enc_null_hmac_sha384 #1928

Job	Run time
basic_clang	1m 9s
basic_gcc	52s
check_docs	44s
check_update	1m 14s
check-ansi	47s
minimal	44s
no-deprecated	49s
address_ub_sanitizer	9m 56s
no-shared (ubuntu-latest)	1s
enable_non-default_options	52s
no-shared (macos-latest)	2m 11s
external-test-cf-quiche	1m 34s
external-test-pyca (1.51.0, 3.9)	1m 6s
external-tests	1m 45s
full_feat_w_abidiff	1m 2s
fuzz_tests	3m 15s
legacy	3m 46s
memory_sanitizer	19m 21s
no-legacy	53s
non-caching	13m 51s
out-of-source-and-install (ubuntu-latest)	49s
threads_sanitizer	1m 6s
out-of-source-and-install (macos-latest)	1m 28s
	1h 9m 15s

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