Fix a memory leak in the new TAP filter BIO

[extended tests]
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3760)

test/testutil/basic_output.c

@@ -30,7 +30,7 @@ void test_open_streams(void)
 void test_close_streams(void)
 {
     BIO_free(bio_out);
-    BIO_free(bio_err);
+    BIO_free_all(bio_err);
 }
 
 int test_vprintf_stdout(const char *fmt, va_list ap)