Bump brace-expansion from 5.0.5 to 5.0.6 in /extensions/css-language-features (#317070)

Bump brace-expansion in /extensions/css-language-features

Bumps [brace-expansion](https://github.com/juliangruber/brace-expansion) from 5.0.5 to 5.0.6.
- [Release notes](https://github.com/juliangruber/brace-expansion/releases)
- [Commits](https://github.com/juliangruber/brace-expansion/compare/v5.0.5...v5.0.6)

---
updated-dependencies:
- dependency-name: brace-expansion
  dependency-version: 5.0.6
  dependency-type: indirect
...

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