Update lib/internal/crypto/keygen.js

Co-authored-by: Livia Medeiros <livia@cirno.name>

Author: panva

lib/internal/crypto/keygen.js

@@ -221,8 +221,8 @@ function createJob(mode, type, options) {
         // opted to throw an error if mgf1Hash is specified rather than removing
         // it entirely.
         throw new ERR_INVALID_ARG_VALUE(
-          'options.hash',
-          options.hash,
+          'options.mgf1Hash',
+          options.mgf1Hash,
           'is no longer supported',
         );
       }