Bump serialize-javascript from 7.0.4 to 7.0.5 in /gui/admin-gui

Bumps [serialize-javascript](https://github.com/yahoo/serialize-javascript) from 7.0.4 to 7.0.5.
- [Release notes](https://github.com/yahoo/serialize-javascript/releases)
- [Commits](yahoo/serialize-javascript@v7.0.4...v7.0.5)

---
updated-dependencies:
- dependency-name: serialize-javascript
  dependency-version: 7.0.5
  dependency-type: indirect
...

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Author: dependabot[bot]