Log Message:
thunderbird102: Update to 102.15.1

* Use thunderbird102 as PKGBASE not to conflict with mail/thunderbird.
* Disable wasm sandboxing to avoid compile error.
* Fix build with new icu.

Changelog:
102.15.1:
Fixes

fixed
Security fixes

Mozilla Foundation Security Advisory 2023-40
#CVE-2023-4863: Heap buffer overflow in libwebp