fix: using tailwind 4 bg clases with modifiers (#265)

Author: sohara

lib/ruby_ui/table/table_footer.rb

@@ -10,7 +10,7 @@ def view_template(&)
 
     def default_attrs
       {
-        class: "border-t bg-muted bg-opacity-50 font-medium[& amp;>tr]:last:border-b-0"
+        class: "border-t bg-muted/50 font-medium[& amp;>tr]:last:border-b-0"
       }
     end
   end

lib/ruby_ui/table/table_row.rb

@@ -10,7 +10,7 @@ def view_template(&)
 
     def default_attrs
       {
-        class: "border-b transition-colors hover:bg-muted hover:bg-opacity-50 data-[state=selected]:bg-muted"
+        class: "border-b transition-colors hover:bg-muted/50 data-[state=selected]:bg-muted"
       }
     end
   end