Update dependencies for Rails 7 only

Author: geetfun

Gemfile.lock

@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     filepond-rails (0.1.0)
-      rails (>= 7.0)
+      rails (>= 7.0, < 8)
 
 GEM
   remote: https://rubygems.org/

filepond-rails.gemspec

@@ -24,6 +24,6 @@ Gem::Specification.new do |spec|
     Dir['{app,config,db,lib}/**/*', 'MIT-LICENSE', 'Rakefile', 'README.md']
   end
 
-  spec.add_dependency 'rails', '>= 7.0'
+  spec.add_dependency 'rails', '>= 7.0', '< 8'
   spec.add_development_dependency 'rubocop', '~> 1.1', '>= 1.1.4'
 end