Build 49

Linux x86_64 release of Marker (egui + MuPDF).

Commit: 426e6b5d18a3405dda06d3b6cd2d9c5b29695013

Runtime shared libraries typically needed on the host:
fontconfig, freetype, brotli, jbig2dec, lcms2, libjpeg, openjpeg2, zlib.

License: MIT.

What's Changed

• Conceal math while editing a text annotation by @danielschafi in #74

Full Changelog: build-48...build-49