benchmark: increase crypto DSA keygen params

OpenSSL 3.0 increased the minimum values for these parameters.

PR-URL: https://github.com/nodejs/node/pull/40416
Fixes: https://github.com/nodejs/node/issues/40410
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Zijian Liu <lxxyxzj@gmail.com>

benchmark/crypto/keygen.js

@@ -43,8 +43,8 @@ const methods = {
     bench.start();
     for (let i = 0; i < n; ++i) {
       generateKeyPairSync('dsa', {
-        modulusLength: 512,
-        divisorLength: 256,
+        modulusLength: 1024,
+        divisorLength: 160,
       });
     }
     bench.end(n);
@@ -60,8 +60,8 @@ const methods = {
     bench.start();
     for (let i = 0; i < n; ++i)
       generateKeyPair('dsa', {
-        modulusLength: 512,
-        divisorLength: 256,
+        modulusLength: 1024,
+        divisorLength: 160,
       }, done);
   },
 };