npm: bump parse5 from 7.2.0 to 7.2.1

Bumps [parse5](https://github.com/inikulin/parse5) from 7.2.0 to 7.2.1.
- [Release notes](https://github.com/inikulin/parse5/releases)
- [Commits](inikulin/parse5@v7.2.0...v7.2.1)

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

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

package.json

@@ -33,7 +33,7 @@
     "@11ty/eleventy": "^3.0.0",
     "@x-govuk/govuk-eleventy-plugin": "^6.6.1",
     "luxon": "^3.5.0",
-    "parse5": "^7.2.0"
+    "parse5": "^7.2.1"
   },
   "devDependencies": {
     "@cfworker/json-schema": "^2.0.1",