add init file for workers

[simonLeary42]

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[Copilot]

Pull request overview

This PR consolidates common initialization code for worker scripts by introducing a shared workers/init.php file. This reduces code duplication across multiple worker files and standardizes the initialization process.

• Centralized worker initialization in a new workers/init.php file
• Standardized the _die() function to accept an exit code parameter
• Refactored existing worker files to use the shared initialization

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
workers/init.php	New shared initialization file that sets up $_SERVER variables, loads dependencies, imports commonly used classes, and defines a standardized _die() helper function
workers/update-ldap-cache.php	Replaced inline initialization code with include of init.php; updated help message output to use _die() with exit code 0
workers/remove-users-from-group.php	Replaced inline initialization code with include of init.php; updated all _die() calls to include explicit exit codes
workers/group_user_request_owner_reminder.php	Replaced inline initialization code with include of init.php
workers/clear-audit-log.php	Replaced inline initialization code with include of init.php

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