Bumped the version of the Material theme to latest version.

requirements.txt

@@ -1,21 +1,21 @@
 # The following are something akin to peer dependencies. They are represented
 # as ranges in order to support interoperability with other mkdocs plugins or
 # packages that might otherwise exist in an adopter's environment.
-mkdocs>=1.2.2
+mkdocs>=1.5.2
 Markdown>=3.2,<3.4
 
 # The following are more akin to direct dependencies. Each line represents one
 # or more features that are provided by `techdocs-core`, and thus are always
 # pinned to an exact version. Bumps should be accompanied by release notes
 # explaining what was added or fixed (or at least pointing to the underlying
 # release notes of the bumped package).
-mkdocs-material==9.1.3
+mkdocs-material==9.4.8
 mkdocs-monorepo-plugin==1.0.5
 plantuml-markdown==3.9.2
 markdown_inline_graphviz_extension==1.1.1
 mdx_truly_sane_lists==1.3
 pygments==2.16.1
-pymdown-extensions==10.0.1
+pymdown-extensions==10.2
 
 # The following are temporary dependencies that are only necessary to work
 # around incompatible/conflicting underlying dependencies. Each dependency