fix(cli): omit undefined compile executable path

packages/cli/script/build.ts

@@ -117,7 +117,7 @@ for (const item of targets) {
       autoloadTsconfig: true,
       autoloadPackageJson: true,
       target: target.replace(binary, "bun") as Bun.Build.CompileTarget,
-      executablePath,
+      ...(executablePath ? { executablePath } : {}),
       outfile: path.join(outdir, name, "bin", binary),
       execArgv: [`--user-agent=${binary}/${Script.version}`, "--use-system-ca", "--no-warnings", "--"],
       windows: {},