Fix missing comma in entry_vendor_task index definition

[mehmetozzen]

CREATE TABLE fails with a syntax error on MySQL 5.7 fresh installs due to
a missing comma after the reach_profile_queue_time index definition.

Pull Request Checklist

Please complete the following before submitting:

General notes -

• I have tested the changes locally.
• I have written unit tests where applicable.
• I have updated documentation where needed.
• I have added comments to complex code.
• This PR follows the coding style guidelines.
• I have updated release notes with new feature

New Kaltura Types

• I have created new clients
• I have notified related apps - KMCNG / KMS / EP .... about new clients

New Kaltura Services / Actions

• I have added a deployment script

Questions

1. What is the purpose of this PR?

   • Fixes a MySQL syntax error in the entry_vendor_task table DDL where a missing comma between index definitions caused fresh installation scripts to fail.

2. Does this change affect production code or infrastructure?

   • Yes
   • No

3. If yes, what is the rollback plan?

   • N/A (It's a one-character syntax fix for a table definition).