Merge pull request #22855 from rafbm/avoid-time-parse

Avoid `Time.parse` for static date

actionpack/lib/action_controller/metal/conditional_get.rb

@@ -228,7 +228,7 @@ def http_cache_forever(public: false, version: 'v1')
       expires_in 100.years, public: public
 
       yield if stale?(etag: "#{version}-#{request.fullpath}",
-                      last_modified: Time.parse('2011-01-01').utc,
+                      last_modified: Time.new(2011, 1, 1).utc,
                       public: public)
     end