fix(ci): 修复 CI/CD 工作流问题

- fix: release.yml typecheck 脚本名 compile → typecheck（发版阻断 bug）
- perf: CI 测试改用 test:coverage 生成覆盖率报告
- refactor: Release 复用 CI 工作流（workflow_call），消除重复 Job
- feat: Release 新增 Firefox/Chrome zip 产物验证步骤
- fix: 补全 lint-staged 配置，修复 pre-commit hook 失效问题
- feat: 添加 Dependabot 自动依赖更新配置

.github/dependabot.yml

@@ -0,0 +1,25 @@
+version: 2
+updates:
+  # npm 依赖
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+    open-pull-requests-limit: 10
+    labels:
+      - "dependencies"
+    commit-message:
+      prefix: "deps"
+
+  # GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+    labels:
+      - "dependencies"
+      - "ci"
+    commit-message:
+      prefix: "ci"