ci(deps): bump codecov/codecov-action from 5 to 7

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 5 to 7.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-action/compare/v5...v7)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -37,7 +37,7 @@ jobs:
         run: npx vitest run --coverage
 
       - name: 上传覆盖率到 Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v7
         with:
           files: ./coverage/cobertura-coverage.xml
           flags: frontend