Log Message:
(graphics/R-Cairo) Updated 1.6.0 to 1.6.2

1.6-2	(2023-11-28)
    o	Minor bugfixes: invalid format specified in UBiDi error
	string, incorrect font name passed if the font family
	name is too long.

    o	Update Windows build to use pkg-config (Thanks to Tomáš
	Kalibera!) (#43)

1.6-1	(2023-08-17)
    o	The following additional arguments can be used to set PDF
	metadata: title, author, subject, creator, keywords,
	create.date and modify.date if cairo version 1.16 or
	higher is used. (#15)

    o	The `version` argument for PDF back-end is now honored and
	defaults to 1.4. Note that currently cairo library only
	supports PDF target versions 1.4 or 1.5.

    o	The xlib back-end no longer requires headers from Xt. (#39)