build(deps): bump parse5 from 7.3.0 to 8.0.0

Bumps [parse5](https://github.com/inikulin/parse5) from 7.3.0 to 8.0.0.
- [Release notes](https://github.com/inikulin/parse5/releases)
- [Commits](inikulin/parse5@v7.3.0...v8.0.0)

---
updated-dependencies:
- dependency-name: parse5
  dependency-version: 8.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -25,7 +25,7 @@
     "url": "https://github.com/FullHuman/purgecss/issues"
   },
   "dependencies": {
-    "parse5": "^7.1.2",
+    "parse5": "^8.0.0",
     "parse5-htmlparser2-tree-adapter": "^7.0.0"
   },
   "publishConfig": {