Bump rails-html-sanitizer from 1.7.0 to 1.7.1 in /demo

Bumps [rails-html-sanitizer](https://github.com/rails/rails-html-sanitizer) from 1.7.0 to 1.7.1.
- [Release notes](https://github.com/rails/rails-html-sanitizer/releases)
- [Changelog](https://github.com/rails/rails-html-sanitizer/blob/main/CHANGELOG.md)
- [Commits](rails/rails-html-sanitizer@v1.7.0...v1.7.1)

---
updated-dependencies:
- dependency-name: rails-html-sanitizer
  dependency-version: 1.7.1
  dependency-type: indirect
...

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

Author: dependabot[bot]

demo/Gemfile.lock

@@ -293,8 +293,8 @@ GEM
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.7.0)
-      loofah (~> 2.25)
+    rails-html-sanitizer (1.7.1)
+      loofah (~> 2.25, >= 2.25.2)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
     railties (7.2.2.1)
       actionpack (= 7.2.2.1)