chore(deps): bump sanitize-html from 2.7.0 to 2.7.1 in /install

Bumps [sanitize-html](https://github.com/apostrophecms/sanitize-html) from 2.7.0 to 2.7.1.
- [Release notes](https://github.com/apostrophecms/sanitize-html/releases)
- [Changelog](https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md)
- [Commits](https://github.com/apostrophecms/sanitize-html/compare/2.7.0...2.7.1)

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

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

install/package.json

@@ -116,7 +116,7 @@
         "request-promise-native": "1.0.9",
         "rimraf": "3.0.2",
         "rss": "1.2.2",
-        "sanitize-html": "2.7.0",
+        "sanitize-html": "2.7.1",
         "semver": "7.3.7",
         "serve-favicon": "2.5.0",
         "sharp": "0.30.7",