Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: - Updated to version 115.4.1: - CVE-2023-5721: Fixed a potential clickjack via queued up rendering. - CVE-2023-5732: Fixed an address bar spoofing via bidirectional characters - CVE-2023-5724: Fixed a crash due to a large WebGL draw. - CVE-2023-5725: Fixed an issue where WebExtensions could open arbitrary URLs. - CVE-2023-5726: Fixed an issue where fullscreen notifications would be obscured by file the open dialog on macOS. - CVE-2023-5727: Fixed a download protection bypass on on Windows. - CVE-2023-5728: Fixed a crash caused by improper object tracking during GC in the JavaScript engine. - CVE-2023-5730: Fixed multiple memory safety issues.