chore(deps): Bump fast-xml-builder in /examples/next/block-support (#2349)

Bumps [fast-xml-builder](https://github.com/NaturalIntelligence/fast-xml-builder) from 1.1.5 to 1.2.0.
- [Changelog](https://github.com/NaturalIntelligence/fast-xml-builder/blob/main/CHANGELOG.md)
- [Commits](NaturalIntelligence/fast-xml-builder@v1.1.5...v1.2.0)

---
updated-dependencies:
- dependency-name: fast-xml-builder
  dependency-version: 1.2.0
  dependency-type: indirect
...

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Author: dependabot[bot]