Bump mkdocs from 1.2.3 to 1.4.2 (#1608)

dependabot[bot] · web-flow · commit 37b94be4071a · 2023-03-13T09:38:29.000+01:00
diff --git a/requirements/requirements_doc.txt b/requirements/requirements_doc.txt
@@ -1,2 +1,2 @@
-mkdocs==1.2.3
+mkdocs==1.4.2
 mkdocs-material==8.5.11
