VSN-1928 : Implementing paged prepared passengers fetching logic.

Implementing Paged Prepared Passengers Fetching Logic

1. Page Response Introduction

• Added a PageResponse DTO to manage pageable data retrieval.
• Structured response format to support pagination across endpoints.

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2. Paged Passengers Listing

• Defined and implemented the service responsible for listing paged passengers.
• Integrated pagination logic within the service layer.

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3. Exception Handling Fix

• Removed unnecessary exceptions thrown during paged passengers fetching.
• Improved stability and readability of the pagination workflow.

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4. Controller Exposure

• Exposed the paged passengers fetching functionality via the controller.
• Enabled API access to paginated passenger data.

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5. Changelog Update

• Updated the changelog markdown file to reflect new pagination functionalities.
• Documented structural and behavioral changes introduced in this feature.

Closes VSN-1928