Update dependency pymdown-extensions to v10.5

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

requirements.txt

@@ -15,7 +15,7 @@ mkdocs-monorepo-plugin==1.0.5
 plantuml-markdown==3.9.2
 mdx_truly_sane_lists==1.3
 pygments==2.16.1
-pymdown-extensions==10.2
+pymdown-extensions==10.5
 
 # The following are temporary dependencies that are only necessary to work
 # around incompatible/conflicting underlying dependencies. Each dependency