Release 3.0.1

Summary of changes

• cdfb7dd 🐛 Fix nested headers in composed notes. Resolves #621
• 22228ab 🐛 Backslashes in tables. Resolves #622
• 6d3842a 🐛 filtering fixes: subclasses, subraces, deities
• 213e1f4 📝 2024 support cleanup; update CLI --help
• 2703833 📝 Additional detail in 3.x changelog