Update jQuery to 3.5.1 without jQuery Migrate (#33383).

Patch by Marius BALTEANU.


git-svn-id: http://svn.redmine.org/redmine/trunk@19803 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/application_helper.rb

@@ -1622,7 +1622,7 @@ module ApplicationHelper
 
   # Returns the javascript tags that are included in the html layout head
   def javascript_heads
-    tags = javascript_include_tag('jquery-2.2.4-ui-1.12.1-ujs-5.2.3', 'tribute-5.1.3.min', 'application', 'responsive')
+    tags = javascript_include_tag('jquery-3.5.1-ui-1.12.1-ujs-5.2.3', 'tribute-5.1.3.min', 'application', 'responsive')
     unless User.current.pref.warn_on_leaving_unsaved == '0'
       tags << "\n".html_safe + javascript_tag("$(window).on('load', function(){ warnLeavingUnsaved('#{escape_javascript l(:text_warn_on_leaving_unsaved)}'); });")
     end