HEIC decoder third-party notices

Used by: /tools/heic-to-jpg and /tools/image-converter (loaded only when a HEIC/HEIF file is converted)

Library: libheif-js 1.19.8 (libheif-wasm/libheif-bundle.mjs), an Emscripten build of libheif 1.19
Source: https://github.com/catdad-experiments/libheif-js
        https://github.com/strukturag/libheif
License: GNU Lesser General Public License v3.0; see libheif-LGPL-3.0.txt in this directory.

The build includes the HEVC decoder libde265 (https://github.com/strukturag/libde265),
which is also distributed under the GNU Lesser General Public License v3.0.

The library is used without modification and is delivered as a separate JavaScript file,
so it can be replaced with another compatible build of the same library.