chore(deps): bump dayjs from 1.11.19 to 1.11.20 in /web/frontend (sipeed#1608)

Bumps [dayjs](https://github.com/iamkun/dayjs) from 1.11.19 to 1.11.20.
- [Release notes](https://github.com/iamkun/dayjs/releases)
- [Changelog](https://github.com/iamkun/dayjs/blob/dev/CHANGELOG.md)
- [Commits](iamkun/dayjs@v1.11.19...v1.11.20)

---
updated-dependencies:
- dependency-name: dayjs
  dependency-version: 1.11.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

web/frontend/package.json

@@ -21,7 +21,7 @@
     "@tanstack/react-router-devtools": "^1.163.3",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
-    "dayjs": "^1.11.19",
+    "dayjs": "^1.11.20",
     "i18next": "^25.8.14",
     "i18next-browser-languagedetector": "^8.2.1",
     "jotai": "^2.18.1",