fix: adjust data types in index.d.ts

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Author: sagar7162

lib/node_modules/@stdlib/blas/ext/base/ndarray/grev/docs/types/index.d.ts

@@ -41,7 +41,7 @@ import { typedndarray } from '@stdlib/types/ndarray';
 * var arr = ndarray2array( x );
 * // returns [ 4.0, 3.0, 2.0, 1.0 ]
 */
-declare function grev<T extends typedndarray<number> = typedndarray<number>>( arrays: [ T ] ): T;
+declare function grev<T extends typedndarray<any> = typedndarray<any>>( arrays: [ T ] ): T;
 
 
 // EXPORTS //