chore(deps): update dependency platformdirs to v4.9.6

Author: renovate[bot]

requirements.txt

@@ -18,7 +18,7 @@ mkdocs-material-extensions==1.3.1
 packaging==26.0
 paginate==0.5.7
 pathspec==1.0.4
-platformdirs==4.9.4
+platformdirs==4.9.6
 Pygments==2.20.0
 pymdown-extensions==10.21.2
 python-dateutil==2.9.0.post0