fix: types

Author: Neerajpathak07

lib/node_modules/@stdlib/array/base/unary3d-by/docs/types/test.ts

@@ -90,7 +90,7 @@ function identity( value: number ): number {
 	const x = [ [ [ 1.0, 2.0 ], [ 3.0, 4.0 ] ] ];
 	const y = [ [ [ 0.0, 0.0 ], [ 0.0, 0.0 ] ] ];
 
-	unary3dBy( [ x, y ], [ 1, 2,1,  2 ], 'abc', identity ); // $ExpectError
+	unary3dBy( [ x, y ], [ 1, 2, 1, 2 ], 'abc', identity ); // $ExpectError
 	unary3dBy( [ x, y ], [ 1, 2, 2 ], 3.14, identity ); // $ExpectError
 	unary3dBy( [ x, y ], [ 1, 2, 2 ], true, identity ); // $ExpectError
 	unary3dBy( [ x, y ], [ 1, 2, 2 ], false, identity ); // $ExpectError