[lint] make the YAML linter happy.

Author: postmodern

gems/actionpack/CVE-2024-26143.yml

@@ -23,7 +23,7 @@ description: |
 
   ```
   class ArticlesController < ApplicationController
-    def show  
+    def show
       @message = t("message_html", default: untrusted_input)
       # The `show` template displays the contents of `@message`
     end