Make sure the TS_VERIFY_CTS_set_certs() macro gets picked up correctly.
It is a function in OpenSSL 1.1 and a macro in LibreSSL and OpenSSL 3.

Index: ext/openssl/extconf.rb
--- ext/openssl/extconf.rb.orig
+++ ext/openssl/extconf.rb
@@ -176,7 +176,7 @@ have_func("SSL_SESSION_get_protocol_version")
 have_func("TS_STATUS_INFO_get0_status")
 have_func("TS_STATUS_INFO_get0_text")
 have_func("TS_STATUS_INFO_get0_failure_info")
-have_func("TS_VERIFY_CTS_set_certs")
+have_func("TS_VERIFY_CTS_set_certs(NULL, NULL)", "openssl/ts.h")
 have_func("TS_VERIFY_CTX_set_store")
 have_func("TS_VERIFY_CTX_add_flags")
 have_func("TS_RESP_CTX_set_time_cb")