PDFium 121.0.6110.0

This version was built with branch chromium/6110 of PDFium

Changes

Commits between chromium/6097 and chromium/6110:

• Convert std::vector<v8::Local> to v8::LocalVector.
• Fix potential leak in CGdiplusExt
• Replace const-ref std::vector arguments with pdfium::span in fxjs.
• Revert recent C++20 usage in CFX_FillRenderOptions
• Remove unnecessary LoadLibrary() call in CGdiplusExt
• Roll third_party/freetype/src/ 7b308a29d..55d0287cf (17 commits)
• Add a test for rendering a transparency onto a white background
• Add support for the Rust toolchain
• Update gn_version to e4702d7409069c4f12d45ea7b7f0890717ca3f4b
• Roll third_party/libjpeg_turbo/ 30bdb85e3..9b894306e (2 commits)
• Roll third_party/icu/ 985b9a6f7..a622de35a (2 commits)
• Roll abseil-cpp, libcxx, libcxxabi, clang, buildtools and build
• Roll Catapult from 4f81c1e29597 to 47efdb4b1428 (70 revisions)