audit: deprecate ScriptFileFormula

Closes Homebrew/homebrew#37356.

Signed-off-by: Xu Cheng <xucheng@me.com>

Library/Homebrew/cmd/audit.rb

@@ -134,6 +134,10 @@ class FormulaAuditor
       problem "GithubGistFormula is deprecated, use Formula instead"
     end
 
+    if formula.class < ScriptFileFormula
+      problem "ScriptFileFormula is deprecated, use Formula instead"
+    end
+
     if formula.class < AmazonWebServicesFormula
       problem "AmazonWebServicesFormula is deprecated, use Formula instead"
     end