Bump spring from 4.1.0 to 4.1.1 in /demo

Bumps [spring](https://github.com/rails/spring) from 4.1.0 to 4.1.1.
- [Release notes](https://github.com/rails/spring/releases)
- [Changelog](https://github.com/rails/spring/blob/main/CHANGELOG.md)
- [Commits](rails/spring@v4.1.0...v4.1.1)

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

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

demo/Gemfile

@@ -42,7 +42,7 @@ gem "lookbook", "~> 2.1.1" unless rails_version.to_f < 7
 
 group :development do
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
-  gem "spring", "~> 4.0"
+  gem "spring", "~> 4.1"
   gem "spring-watcher-listen", "~> 2.1"
   gem "hotwire-livereload", "~> 1.1"
   # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]

demo/Gemfile.lock

@@ -333,7 +333,7 @@ GEM
       faraday (>= 0.17.5, < 3.a)
       jwt (>= 1.5, < 3.0)
       multi_json (~> 1.10)
-    spring (4.1.0)
+    spring (4.1.1)
     spring-watcher-listen (2.1.0)
       listen (>= 2.7, < 4.0)
       spring (>= 4)
@@ -398,7 +398,7 @@ DEPENDENCIES
   rack-cors
   railties (= 7.0.3)
   rake (~> 13.0)
-  spring (~> 4.0)
+  spring (~> 4.1)
   spring-watcher-listen (~> 2.1)
   sprockets
   sprockets-rails