Bump spring from 4.6.0 to 4.7.0 in /demo (#4118)

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Author: dependabot[bot]

demo/Gemfile

@@ -45,7 +45,7 @@ gem "cssbundling-rails", "~> 1.4"
 
 group :development do
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
-  gem "spring", "~> 4.6"
+  gem "spring", "~> 4.7"
   gem "spring-watcher-listen", "~> 2.1"
   gem "hotwire-livereload", "~> 2.1"
 

demo/Gemfile.lock

@@ -329,7 +329,7 @@ GEM
       faraday (>= 0.17.5, < 3.a)
       jwt (>= 1.5, < 4.0)
       multi_json (~> 1.10)
-    spring (4.6.0)
+    spring (4.7.0)
     spring-watcher-listen (2.1.0)
       listen (>= 2.7, < 4.0)
       spring (>= 4)
@@ -399,7 +399,7 @@ DEPENDENCIES
   rack-cors
   railties (= 7.2.2.1)
   rake (~> 13.4)
-  spring (~> 4.6)
+  spring (~> 4.7)
   spring-watcher-listen (~> 2.1)
   sprockets
   sprockets-rails