mkdocs-material-9.0.3

• Improved discernability of section index pages in navigation
• Improved collapsing of adjacent whitespace in search plugin
• Updated Indonesian translations
• Fixed view source of this page button when edit URL points to blob
• Fixed #4829: Search overlay does not close for active anchor result
• Fixed #4824: Search plugin crashes for h[1-6] contained in other elements
• Fixed #4804: Nested navigation items not expandable with keyboard
• Fixed #4689: anchor tracking not working for anchors in tables
• Upgraded to Mermaid 9.3.0