Update dependency cairosvg to v2.9.1

Signed-off-by: milkmaker <milkmaker@mailcow.de>

Author: renovate[bot]

requirements.txt

@@ -5,5 +5,5 @@ pygments==2.21.0
 mkdocs-static-i18n==1.3.1
 mkdocs-git-revision-date-localized-plugin==1.5.4
 pillow==12.3.0
-cairosvg==2.9.0
+cairosvg==2.9.1
 mkdocs-open-in-new-tab==1.0.8