refactor(release): 移除未使用的导入以简化代码

- 从 publish-stable.mjs 中删除了未使用的 findPackage 导入
- 仅保留 ALL_PACKAGES 和 PACKAGES 的导入
- 提升代码的清晰度和维护性

Author: clark-fc

tools/release/publish-stable.mjs

@@ -4,7 +4,7 @@ import { parseArgs } from "util";
 import { runCheck } from "./check.mjs";
 import { createTag, currentBranch, isWorkingTreeClean, pushTag, tagExists } from "./lib/git.mjs";
 import { npmViewExists, pnpmPublish } from "./lib/npm.mjs";
-import { ALL_PACKAGES, findPackage, PACKAGES } from "./lib/packages.mjs";
+import { ALL_PACKAGES, PACKAGES } from "./lib/packages.mjs";
 
 function log(msg = "") {
   process.stdout.write(`${msg}\n`);