[Linkedin Audiences] Update linkedin API version to 202505

[harsh-joshi99]

Upgrade linkedin API version to 202505 since current version is getting deprecated soon.

JIRA -> https://twilio-engineering.atlassian.net/browse/STRATCONN-5805?atlOrigin=eyJpIjoiNDE3YTVjNzQ0ZjY4NDY5Y2JlMWUxMDAxZDdiNjRjZTYiLCJwIjoiaiJ9

Testing

Testing document.

Include any additional information about the testing you have completed to
ensure your changes behave as expected. For a speedy review, please check
any of the tasks you completed below during your testing.

• Added unit tests for new functionality
• Tested end-to-end using the local server
• [If destination is already live] Tested for backward compatibility of destination. Note: New required fields are a breaking change.
• [Segmenters] Tested in the staging environment
• [Segmenters] [If applicable for this change] Tested for regression with Hadron.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.07%. Comparing base (0451a3d) to head (44214a3).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2945   +/-   ##
=======================================
  Coverage   78.07%   78.07%           
=======================================
  Files        1064     1064           
  Lines       19612    19612           
  Branches     3767     3767           
=======================================
  Hits        15313    15313           
  Misses       3015     3015           
  Partials     1284     1284           

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[Copilot]

Pull Request Overview

This PR updates the LinkedIn API version to 202505 ahead of deprecation and regenerates associated snapshots.

• Bump LINKEDIN_API_VERSION constant from 202409 to 202505
• Regenerate snapshots in updateAudience and root linkedin-audiences tests to reflect new version header

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
constants.ts	Updated LINKEDIN_API_VERSION to 202505
updateAudience/tests/snapshots/snapshot.test.ts.snap	Updated snapshot header value to 202505
tests/snapshots/snapshot.test.ts.snap	Updated snapshot header value to 202505