Log Message:
mupdf: update to 1.22.0.

List of changes in MuPDF 1.22.0

	New command line "mutool recolor" to change colorspace of PDF files.
	New command line "mutool trim" to remove content outside mediabox.
	New flag to "mutool draw": -KK to remove all non-textual content.

	Support PDF page labels.

	Layout HTML tables with variable column widths.

	Added JPEG output format. JPEG should be used with care due to its
	lossy nature (if in doubt, use PDF instead).

	Added PDF filter factories.
	Added PDF color filter.
	Added "culler" to sanitize filter.
	Added flags to control embedding fonts in output.
	New device methods for structured tags.
	Increased maximum allowed image size.
	Add magic flag to temporarily hide annotations when editing them.

	Support RD in Square and Circle annotations.
	Support dashed borders in annotations.
	Support cloudy borders in annotations.
	Improved layers in PDF files.
	Fix performance issue with large PDF files and outlines.

	Updated multi-threading examples.

	Moved WASM project into separate repository.

	Added Java and "mutool run" bindings for many more functions.