py-weasyprint: updated to 52.5

Version 52.5

Bug fixes:

* Fix text breaking exception
* Fix @font-face rules with Pango 1.48.3+

Version 52.4

Bug fixes:

* Don窶冲 try to draw SVG files with no size
* Avoid crash on last word detection
* Remove last word before ellipses when hyphenated

Version 52.3

Bug fixes:

* Fix imports with url() and quotes

New features:

* Add support of line-clamp, with financial support from expert Germany

Version 52.2

Bug fixes:

* Fix URL handling with tinycss2
* Include missing test data
* Top margins removed from children when tables are displayed on multiple pages
* Correctly draw borders on the last line of split tables
* Add a nice gif to please gdk-pixbuf 2.42.0

Version 52.1

Bug fixes:

* Fix URL handling with tinycss2

Version 52

Dependencies:

Python 3.6+ is now needed, Python 3.5 is not supported anymore
WeasyPrint now depends on Pillow

(adam)