chore(deps-dev): Bump @fullhuman/postcss-purgecss from 6.0.0 to 7.0.2

Bumps [@fullhuman/postcss-purgecss](https://github.com/FullHuman/purgecss) from 6.0.0 to 7.0.2.
- [Release notes](https://github.com/FullHuman/purgecss/releases)
- [Changelog](https://github.com/FullHuman/purgecss/blob/main/CHANGELOG.md)
- [Commits](FullHuman/purgecss@v6.0.0...v7.0.2)

---
updated-dependencies:
- dependency-name: "@fullhuman/postcss-purgecss"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -37,7 +37,7 @@
     "@babel/cli": "^7.25",
     "@babel/core": "^7.26",
     "@babel/preset-env": "^7.26",
-    "@fullhuman/postcss-purgecss": "^6.0",
+    "@fullhuman/postcss-purgecss": "^7.0",
     "auto-changelog": "^2.5.0",
     "autoprefixer": "^10.4",
     "bootstrap": "^5.3",