build(deps): bump mkdocs-material from 9.5.6 to 9.5.9 (#1794)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/requirements.txt

@@ -2,7 +2,7 @@ mkdocs-glightbox==0.3.7
 mkdocs-awesome-pages-plugin==2.9.2
 mkdocs-git-revision-date-localized-plugin==1.2.4
 mkdocs-macros-plugin==1.0.5
-mkdocs-material==9.5.6
+mkdocs-material==9.5.9
 mkdocs-minify-plugin==0.8.0
 mkdocs-redirects==1.2.1
 mkdocs-include-markdown-plugin==6.0.4