chore: fix JavaScript lint errors (issue #7060)

Author: udaykakade25

lib/node_modules/@stdlib/utils/unzip/lib/main.js

@@ -83,19 +83,19 @@ function unzip( arr, idx ) {
 		}
 		numVals = idx.length;
 	} else {
-		idx = new Array( numVals );
+		idx = [];
 		for ( i = 0; i < numVals; i++ ) {
-			idx[ i ] = i;
+			idx.push(i);
 		}
 	}
-	out = new Array( numVals );
+	out = [];
 	for ( j = 0; j < numVals; j++ ) {
-		tmp = new Array( len );
+		tmp = [];
 		k = idx[ j ];
 		for ( i = 0; i < len; i++ ) {
-			tmp[ i ] = arr[ i ][ k ];
+			tmp.push(arr[ i ][ k ]);
 		}
-		out[ j ] = tmp;
+		out.push(tmp);
 	}
 	return out;
 }