Bumps sidebar section-entry limit (#4994)

Author: chalin

hugo.yaml

@@ -100,6 +100,7 @@ params:
     sidebar_menu_compact: true
     sidebar_menu_foldable: true
     sidebar_search_disable: true
+    sidebar_menu_truncate: 100 # TODO: drop after the following is merged and Docsy is updated: https://github.com/google/docsy/pull/2069
     feedback:
       enable: true
       'yes': >-