Bump uri from 1.0.3 to 1.0.4 in /demo

Bumps [uri](https://github.com/ruby/uri) from 1.0.3 to 1.0.4.
- [Release notes](https://github.com/ruby/uri/releases)
- [Commits](ruby/uri@v1.0.3...v1.0.4)

---
updated-dependencies:
- dependency-name: uri
  dependency-version: 1.0.4
  dependency-type: indirect
...

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

Author: dependabot[bot]

demo/Gemfile.lock

@@ -255,7 +255,7 @@ GEM
     timeout (0.4.3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    uri (1.0.3)
+    uri (1.0.4)
     useragent (0.16.11)
     view_component (4.0.2)
       activesupport (>= 7.1.0, < 8.1)