refactor: readme updated

Author: RishadAlam

frontend-dev/src/pages/ChangelogToggle.jsx

@@ -29,7 +29,7 @@ const changeLog = [
       {
         label: 'MailerPress',
         desc: '06 events Added.',
-        isPro: true
+        isPro: false
       }
     ]
   },

readme.txt

@@ -707,7 +707,7 @@ _Release Date - 3rd December 2025_
  - MailerPress: 7 new events added (Pro)
 
 - **New Action**
- - MailerPress: 6 new events added (Pro)
+ - MailerPress: 6 new events added
 
 - **New Feature**
  - Salesforce: Added the ability to update existing leads, enabling smoother CRM maintenance and automation (Pro).