fix: correct host/program alert status placeholders

[somethingwithproof]

Summary

• remove accidental uniqueID string concatenation from host/program alert SQL templates
• keep status filtering parameterized and bound via prepared params
• preserve existing alert matching behavior for other alert types
• add regression coverage for host/program alert SQL generation
• run regression scripts from CI when tests/regression/*.php exist
• add changelog entry for issue bug: host and program alert types produce invalid SQL due to concatenated uniqueID #253

Validation

• php -l functions.php
• php -l tests/regression/issue253_alert_sql_placeholder_test.php
• php tests/regression/issue253_alert_sql_placeholder_test.php

Fixes #253

[Copilot]

Pull request overview

This PR fixes invalid SQL generated for host and program alert types in the Syslog plugin by removing an accidental $uniqueID string concatenation from prepared SQL templates, resolving Issue #253.

Changes:

• Remove erroneous . $uniqueID concatenation from the host alert SQL template.
• Remove erroneous . $uniqueID concatenation from the program alert SQL template.
• Preserve parameter binding (status = ? with $uniqueID in $params) to keep prepared statements correct.