Update pipe test to find spelling errors instead of listing them

Changed the command in the pipe test to find spelling errors instead
of listing them for better accuracy and clarity.

Generated by gpt-3.5-turbo

test/pipe.test.ts

@@ -39,7 +39,7 @@ describe("Test loz pipe mode", function () {
   // echo "helo, world!" | loz "list any spelling errors"
   it("should list any spelling errors", function (done) {
     exec(
-      `echo "helo, world!" | node ${LOZ_BIN} "list any spelling errors"`,
+      `echo "helo, world!" | node ${LOZ_BIN} "Find any spelling errors"`,
       (error, stdout, stderr) => {
         if (error) {
           done(error);