Build(deps-dev): Bump xss from 1.0.14 to 1.0.15 (#26001)

Bumps [xss](https://github.com/leizongmin/js-xss) from 1.0.14 to 1.0.15.
- [Changelog](https://github.com/leizongmin/js-xss/blob/master/CHANGELOG.md)
- [Commits](https://github.com/leizongmin/js-xss/compare/v1.0.14...v1.0.15)

---
updated-dependencies:
- dependency-name: xss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

app/assets/javascripts/discourse/package.json

@@ -120,7 +120,7 @@
     "workbox-routing": "^7.0.0",
     "workbox-strategies": "^7.0.0",
     "workbox-sw": "^7.0.0",
-    "xss": "^1.0.14"
+    "xss": "^1.0.15"
   },
   "engines": {
     "node": ">= 18",