build(deps): bump dayjs from 1.11.20 to 1.11.21 (#4201)

Bumps [dayjs](https://github.com/iamkun/dayjs) from 1.11.20 to 1.11.21.
- [Release notes](https://github.com/iamkun/dayjs/releases)
- [Changelog](https://github.com/iamkun/dayjs/blob/dev/CHANGELOG.md)
- [Commits](iamkun/dayjs@v1.11.20...v1.11.21)

---
updated-dependencies:
- dependency-name: dayjs
  dependency-version: 1.11.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -51,7 +51,7 @@
     "@unhead/vue": "^3.1.0",
     "aos": "^2.3.4",
     "axios": "^1.16.1",
-    "dayjs": "^1.11.20",
+    "dayjs": "^1.11.21",
     "dompurify": "^3.4.5",
     "lodash-es": "^4.18.1",
     "marked": "^18.0.4",