Merge pull request #224 from ElementalWarrior/renovate/markdown-3.x

Fix tests for markdown 3, upgrade graphviz package

requirements.txt

@@ -10,7 +10,7 @@ Markdown>=3.2,<3.4
 # explaining what was added or fixed (or at least pointing to the underlying
 # release notes of the bumped package).
 mkdocs-material==9.5.45
-markdown_inline_graphviz_extension==1.1.2
+markdown_inline_graphviz_extension@git+https://github.com/cesaremorel/markdown-inline-graphviz.git@579f10af9fe7187c717c20615f65774f898c1a0d
 mkdocs-monorepo-plugin==1.1.0
 plantuml-markdown==3.10.4
 mdx_truly_sane_lists==1.3