update Rails and Ruby EOL support message (#2102)

* update Rails and Ruby EOL support message

* clarify changelog

* vale

* use existing deprecation warnings in engine.rb

Author: joelhawksley

docs/CHANGELOG.md

@@ -26,7 +26,7 @@ nav_order: 5
 
     *Joel Hawksley*
 
-* Warn if using Ruby < 3.1 or Rails < 7.0, which will not be supported by ViewComponent v4.
+* Warn if using Ruby < 3.2 or Rails < 7.1, which won't be supported by ViewComponent v4, to be released no earlier than April 1, 2025.
 
     *Joel Hawksley*
 

lib/view_component.rb

@@ -21,10 +21,6 @@ module ViewComponent
   autoload :TestCase
   autoload :SystemTestCase
   autoload :Translatable
-
-  if defined?(Rails) && Rails.version < "7.0"
-    Kernel.warn("ViewComponent v4 will drop support for Rails < 7.0 in 2025.")
-  end
 end
 
 require "view_component/engine" if defined?(Rails::Engine)

lib/view_component/engine.rb

@@ -169,12 +169,12 @@ def serve_static_preview_assets?(app_config)
       end
 
       # :nocov:
-      if RUBY_VERSION < "3.0.0"
-        ViewComponent::Deprecation.deprecation_warning("Support for Ruby versions < 3.0.0", "ViewComponent 4.0 will remove support for Ruby versions < 3.0.0 ")
+      if RUBY_VERSION < "3.2.0"
+        ViewComponent::Deprecation.deprecation_warning("Support for Ruby versions < 3.2.0", "ViewComponent v4 will remove support for Ruby versions < 3.2.0 no earlier than April 1, 2025")
       end
 
-      if Rails.version.to_f < 6.1
-        ViewComponent::Deprecation.deprecation_warning("Support for Rails versions < 6.1", "ViewComponent 4.0 will remove support for Rails versions < 6.1 ")
+      if Rails.version.to_f < 7.1
+        ViewComponent::Deprecation.deprecation_warning("Support for Rails versions < 7.1", "ViewComponent v4 will remove support for Rails versions < 7.1 no earlier than April 1, 2025")
       end
       # :nocov:
 

view_component.gemspec

@@ -65,7 +65,5 @@ Gem::Specification.new do |spec|
     spec.add_development_dependency "net-imap"
     spec.add_development_dependency "net-pop"
     spec.add_development_dependency "net-smtp"
-  else
-    spec.post_install_message = "ViewComponent v4 will drop support for Ruby < 3.1 in 2025."
   end
 end