Add SSL_aCERT: this is used for any ciphersuite with a certificate.

Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3858)

ssl/ssl_locl.h

@@ -206,6 +206,9 @@
 # define SSL_aGOST12             0x00000080U
 /* Any appropriate signature auth (for TLS 1.3 ciphersuites) */
 # define SSL_aANY                0x00000000U
+/* All bits requiring a certificate */
+#define SSL_aCERT \
+    (SSL_aRSA | SSL_aDSS | SSL_aECDSA | SSL_aGOST01 | SSL_aGOST12)
 
 /* Bits for algorithm_enc (symmetric encryption) */
 # define SSL_DES                 0x00000001U