update rails to v8.0.1

config/environments/test.rb

@@ -21,7 +21,7 @@ Rails.application.configure do
   # Configure public file server for tests with Cache-Control for performance.
   config.public_file_server.enabled = true
   config.public_file_server.headers = {
-    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
+    'cache-control' => "public, max-age=#{1.hour.to_i}"
   }
 
   # Show full error reports and disable caching.