Update dependency pymdown-extensions to v10.13

Author: slack-oss-bot

.github/workflows/mkdocs-requirements.txt

@@ -10,7 +10,7 @@ mkdocs-macros-plugin==1.3.7
 mkdocs-material==9.5.49
 mkdocs-material-extensions==1.3.1
 Pygments==2.18.0
-pymdown-extensions==10.12
+pymdown-extensions==10.13
 python-dateutil==2.9.0.post0
 PyYAML==6.0.2
 repackage==0.7.3