crypto: add better scrypt option aliases

Make parameter names available in a human-readable way, for more accessible/self-documenting usage of the `scrypt` functions. This implements a review comment from the original PR that has not been addressed. Refs: #20816 (comment) PR-URL: #21525 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>

Author: addaleax

doc/api/crypto.md

@@ -2163,7 +2163,6 @@ changes:
 *`keylen`{number}
 *`options`{Object}
 -`cost`{number} CPU/memory cost parameter. Must be a power of two greater
--`N`{number} CPU/memory cost parameter. Must be a power of two greater
  than one. **Default:**`16384`.
 -`blockSize`{number} Block size parameter. **Default:**`8`.
 -`parallelization`{number} Parallelization parameter. **Default:**`1`.
@@ -2218,7 +2217,6 @@ changes:
 *`keylen`{number}
 *`options`{Object}
 -`cost`{number} CPU/memory cost parameter. Must be a power of two greater
--`N`{number} CPU/memory cost parameter. Must be a power of two greater
  than one. **Default:**`16384`.
 -`blockSize`{number} Block size parameter. **Default:**`8`.
 -`parallelization`{number} Parallelization parameter. **Default:**`1`.