Bump weasyprint from 66.0 to 68.0

Bumps [weasyprint](https://github.com/Kozea/WeasyPrint) from 66.0 to 68.0.
- [Release notes](https://github.com/Kozea/WeasyPrint/releases)
- [Changelog](https://github.com/Kozea/WeasyPrint/blob/main/docs/changelog.rst)
- [Commits](Kozea/WeasyPrint@v66.0...v68.0)

---
updated-dependencies:
- dependency-name: weasyprint
  dependency-version: '68.0'
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-test.txt

@@ -486,7 +486,7 @@ wand==0.6.13
     #   django-filingcabinet
 wcwidth==0.2.13
     # via prompt-toolkit
-weasyprint==66.0
+weasyprint==68.0
     # via froide (pyproject.toml)
 webencodings==0.5.1
     # via

requirements.txt

@@ -353,7 +353,7 @@ wand==0.6.13
     #   django-filingcabinet
 wcwidth==0.2.13
     # via prompt-toolkit
-weasyprint==66.0
+weasyprint==68.0
     # via froide (pyproject.toml)
 webencodings==0.5.1
     # via