Bump @projectwallace/css-analyzer from 9.4.0 to 9.6.0

Bumps [@projectwallace/css-analyzer](https://github.com/projectwallace/css-analyzer) from 9.4.0 to 9.6.0.
- [Release notes](https://github.com/projectwallace/css-analyzer/releases)
- [Commits](projectwallace/css-analyzer@v9.4.0...v9.6.0)

---
updated-dependencies:
- dependency-name: "@projectwallace/css-analyzer"
  dependency-version: 9.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]